diff --git a/lib/ast-converter.js b/lib/ast-converter.js
index 865023e..f9a18c7 100644
--- a/lib/ast-converter.js
+++ b/lib/ast-converter.js
@@ -1426,16 +1426,18 @@ module.exports = function(ast, extra) {
                 break;
 
             case SyntaxKind.Parameter:
-
+                var parameter;
                 if (node.dotDotDotToken) {
+                    parameter = convertChild(node.name);
                     assign(result, {
                         type: "RestElement",
-                        argument: convertChild(node.name)
+                        argument: parameter
                     });
                 } else if (node.initializer) {
+                    parameter = convertChild(node.name);
                     assign(result, {
                         type: "AssignmentPattern",
-                        left: convertChild(node.name),
+                        left: parameter,
                         right: convertChild(node.initializer)
                     });
                 } else {
@@ -1446,6 +1448,12 @@ module.exports = function(ast, extra) {
                     return convertedParameter;
                 }
 
+                if (node.type) {
+                    assign(parameter, {
+                        typeAnnotation: convertTypeAnnotation(node.type)
+                    });
+                }
+
                 break;
 
             // Classes
diff --git a/tests/fixtures/typescript/basics/function-with-types-assignation.result.js b/tests/fixtures/typescript/basics/function-with-types-assignation.result.js
new file mode 100644
index 0000000..4ca5b48
--- /dev/null
+++ b/tests/fixtures/typescript/basics/function-with-types-assignation.result.js
@@ -0,0 +1,899 @@
+module.exports = {
+  "type": "Program",
+  "range": [
+    0,
+    96
+  ],
+  "loc": {
+    "end": {
+      "line": 3,
+      "column": 1
+    },
+    "start": {
+      "line": 1,
+      "column": 0
+    }
+  },
+  "body": [
+    {
+      "async": false,
+      "body": {
+        "body": [
+          {
+            "argument": {
+              "type": "Identifier",
+              "range": [
+                89,
+                93
+              ],
+              "loc": {
+                "end": {
+                  "line": 2,
+                  "column": 13
+                },
+                "start": {
+                  "line": 2,
+                  "column": 9
+                }
+              },
+              "name": "name"
+            },
+            "type": "ReturnStatement",
+            "range": [
+              82,
+              94
+            ],
+            "loc": {
+              "end": {
+                "line": 2,
+                "column": 14
+              },
+              "start": {
+                "line": 2,
+                "column": 2
+              }
+            }
+          }
+        ],
+        "type": "BlockStatement",
+        "range": [
+          78,
+          96
+        ],
+        "loc": {
+          "end": {
+            "line": 3,
+            "column": 1
+          },
+          "start": {
+            "line": 1,
+            "column": 78
+          }
+        }
+      },
+      "expression": false,
+      "generator": false,
+      "id": {
+        "type": "Identifier",
+        "range": [
+          9,
+          16
+        ],
+        "loc": {
+          "end": {
+            "line": 1,
+            "column": 16
+          },
+          "start": {
+            "line": 1,
+            "column": 9
+          }
+        },
+        "name": "message"
+      },
+      "type": "FunctionDeclaration",
+      "range": [
+        0,
+        96
+      ],
+      "loc": {
+        "end": {
+          "line": 3,
+          "column": 1
+        },
+        "start": {
+          "line": 1,
+          "column": 0
+        }
+      },
+      "params": [
+        {
+          "loc": {
+            "end": {
+              "line": 1,
+              "column": 21
+            },
+            "start": {
+              "line": 1,
+              "column": 17
+            }
+          },
+          "name": "name",
+          "range": [
+            17,
+            21
+          ],
+          "type": "Identifier",
+          "typeAnnotation": {
+            "type": "TypeAnnotation",
+            "range": [
+              22,
+              28
+            ],
+            "loc": {
+              "end": {
+                "line": 1,
+                "column": 28
+              },
+              "start": {
+                "line": 1,
+                "column": 22
+              }
+            },
+            "typeAnnotation": {
+              "type": "TSStringKeyword",
+              "range": [
+                22,
+                28
+              ],
+              "loc": {
+                "end": {
+                  "line": 1,
+                  "column": 28
+                },
+                "start": {
+                  "line": 1,
+                  "column": 22
+                }
+              }
+            }
+          }
+        },
+        {
+          "type": "AssignmentPattern",
+          "range": [
+            30,
+            46
+          ],
+          "loc": {
+            "end": {
+              "line": 1,
+              "column": 46
+            },
+            "start": {
+              "line": 1,
+              "column": 30
+            }
+          },
+          "left": {
+            "type": "Identifier",
+            "range": [
+              30,
+              33
+            ],
+            "loc": {
+              "end": {
+                "line": 1,
+                "column": 33
+              },
+              "start": {
+                "line": 1,
+                "column": 30
+              }
+            },
+            "name": "age",
+            "typeAnnotation": {
+              "type": "TypeAnnotation",
+              "range": [
+                34,
+                40
+              ],
+              "loc": {
+                "end": {
+                  "line": 1,
+                  "column": 40
+                },
+                "start": {
+                  "line": 1,
+                  "column": 34
+                }
+              },
+              "typeAnnotation": {
+                "type": "TSNumberKeyword",
+                "range": [
+                  34,
+                  40
+                ],"loc": {
+                  "end": {
+                    "line": 1,
+                    "column": 40
+                  },
+                  "start": {
+                    "line": 1,
+                    "column": 34
+                  }
+                }
+              }
+            }
+          },
+          "right": {
+            "type": "Literal",
+            "range": [
+              43,
+              46
+            ],
+            "loc": {
+              "end": {
+                "line": 1,
+                "column": 46
+              },
+              "start": {
+                "line": 1,
+                "column": 43
+              }
+            },
+            "raw": "100",
+            "value": 100
+          }
+        },
+        {
+          "argument": {
+            "loc": {
+              "end": {
+                "line": 1,
+                "column": 55
+              },
+              "start": {
+                "line": 1,
+                "column": 51
+              }
+            },
+            "name": "args",
+            "range": [
+              51,
+              55
+            ],
+            "type": "Identifier",
+            "typeAnnotation": {
+              "loc": {
+                "end": {
+                  "line": 1,
+                  "column": 69
+                },
+                "start": {
+                  "line": 1,
+                  "column": 56
+                }
+              },
+              "range": [
+                56,
+                69
+              ],
+              "type": "TypeAnnotation",
+              "typeAnnotation": {
+                "loc": {
+                  "end": {
+                    "line": 1,
+                    "column": 69
+                  },
+                  "start": {
+                    "line": 1,
+                    "column": 56
+                  }
+                },
+                "range": [
+                  56,
+                  69
+                ],
+                "type": "TSTypeReference",
+                "typeArguments": [
+                  {
+                    "loc": {
+                      "end": {
+                        "line": 1,
+                        "column": 68
+                      },
+                      "start": {
+                        "line": 1,
+                        "column": 62
+                      }
+                    },
+                    "range": [
+                      62,
+                      68
+                    ],
+                    "type": "TSStringKeyword"
+                  }
+                ],
+                "typeName": {
+                  "loc": {
+                    "end": {
+                      "line": 1,
+                      "column": 61
+                    },
+                    "start": {
+                      "line": 1,
+                      "column": 56
+                    }
+                  },
+                  "name": "Array",
+                  "range": [
+                    56,
+                    61
+                  ],
+                  "type": "Identifier"
+                }
+              }
+            }
+          },
+          "loc": {
+            "end": {
+              "line": 1,
+              "column": 69
+            },
+            "start": {
+              "line": 1,
+              "column": 48
+            }
+          },
+          "range": [
+            48,
+            69
+          ],
+          "type": "RestElement"
+        }
+      ],
+      "returnType": {
+        "type": "TypeAnnotation",
+        "range": [
+          71,
+          77
+        ],
+        "loc": {
+          "end": {
+            "line": 1,
+            "column": 77
+          },
+          "start": {
+            "line": 1,
+            "column": 71
+          }
+        },
+        "typeAnnotation": {
+          "type": "TSStringKeyword",
+          "range": [
+            71,
+            77
+          ],
+          "loc": {
+            "end": {
+              "line": 1,
+              "column": 77
+            },
+            "start": {
+              "line": 1,
+              "column": 71
+            }
+          }
+        }
+      },
+    }
+  ],
+  "sourceType": "script",
+  "tokens": [
+        {
+      "type": "Keyword",
+      "range": [
+        0,
+        8
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 8
+        },
+        "start": {
+          "line": 1,
+          "column": 0
+        }
+      },
+      "value": "function"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        9,
+        16
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 16
+        },
+        "start": {
+          "line": 1,
+          "column": 9
+        }
+      },
+      "value": "message"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        16,
+        17
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 17
+        },
+        "start": {
+          "line": 1,
+          "column": 16
+        }
+      },
+      "value": "("
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        17,
+        21
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 21
+        },
+        "start": {
+          "line": 1,
+          "column": 17
+        }
+      },
+      "value": "name"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        21,
+        22
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 22
+        },
+        "start": {
+          "line": 1,
+          "column": 21
+        }
+      },
+      "value": ":"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        22,
+        28
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 28
+        },
+        "start": {
+          "line": 1,
+          "column": 22
+        }
+      },
+      "value": "string"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        28,
+        29
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 29
+        },
+        "start": {
+          "line": 1,
+          "column": 28
+        }
+      },
+      "value": ","
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        30,
+        33
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 33
+        },
+        "start": {
+          "line": 1,
+          "column": 30
+        }
+      },
+      "value": "age"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        33,
+        34
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 34
+        },
+        "start": {
+          "line": 1,
+          "column": 33
+        }
+      },
+      "value": ":"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        34,
+        40
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 40
+        },
+        "start": {
+          "line": 1,
+          "column": 34
+        }
+      },
+      "value": "number"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        41,
+        42
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 42
+        },
+        "start": {
+          "line": 1,
+          "column": 41
+        }
+      },
+      "value": "="
+    },
+    {
+      "type": "Numeric",
+      "range": [
+        43,
+        46
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 46
+        },
+        "start": {
+          "line": 1,
+          "column": 43
+        }
+      },
+      "value": "100"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        46,
+        47
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 47
+        },
+        "start": {
+          "line": 1,
+          "column": 46
+        }
+      },
+      "value": ","
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        48,
+        51
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 51
+        },
+        "start": {
+          "line": 1,
+          "column": 48
+        }
+      },
+      "value": "..."
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        51,
+        55
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 55
+        },
+        "start": {
+          "line": 1,
+          "column": 51
+        }
+      },
+      "value": "args"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        55,
+        56
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 56
+        },
+        "start": {
+          "line": 1,
+          "column": 55
+        }
+      },
+      "value": ":"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        56,
+        61
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 61
+        },
+        "start": {
+          "line": 1,
+          "column": 56
+        }
+      },
+      "value": "Array"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        61,
+        62
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 62
+        },
+        "start": {
+          "line": 1,
+          "column": 61
+        }
+      },
+      "value": "<"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        62,
+        68
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 68
+        },
+        "start": {
+          "line": 1,
+          "column": 62
+        }
+      },
+      "value": "string"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        68,
+        69
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 69
+        },
+        "start": {
+          "line": 1,
+          "column": 68
+        }
+      },
+      "value": ">"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        69,
+        70
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 70
+        },
+        "start": {
+          "line": 1,
+          "column": 69
+        }
+      },
+      "value": ")"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        70,
+        71
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 71
+        },
+        "start": {
+          "line": 1,
+          "column": 70
+        }
+      },
+      "value": ":"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        71,
+        77
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 77
+        },
+        "start": {
+          "line": 1,
+          "column": 71
+        }
+      },
+      "value": "string"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        78,
+        79
+      ],
+      "loc": {
+        "end": {
+          "line": 1,
+          "column": 79
+        },
+        "start": {
+          "line": 1,
+          "column": 78
+        }
+      },
+      "value": "{"
+    },
+    {
+      "type": "Keyword",
+      "range": [
+        82,
+        88
+      ],
+      "loc": {
+        "end": {
+          "line": 2,
+          "column": 8
+        },
+        "start": {
+          "line": 2,
+          "column": 2
+        }
+      },
+      "value": "return"
+    },
+    {
+      "type": "Identifier",
+      "range": [
+        89,
+        93
+      ],
+      "loc": {
+        "end": {
+          "line": 2,
+          "column": 13
+        },
+        "start": {
+          "line": 2,
+          "column": 9
+        }
+      },
+      "value": "name"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        93,
+        94
+      ],
+      "loc": {
+        "end": {
+          "line": 2,
+          "column": 14
+        },
+        "start": {
+          "line": 2,
+          "column": 13
+        }
+      },
+      "value": ";"
+    },
+    {
+      "type": "Punctuator",
+      "range": [
+        95,
+        96
+      ],
+      "loc": {
+        "end": {
+          "line": 3,
+          "column": 1
+        },
+        "start": {
+          "line": 3,
+          "column": 0
+        }
+      },
+      "value": "}"
+    }
+  ]
+};
\ No newline at end of file
diff --git a/tests/fixtures/typescript/basics/function-with-types-assignation.src.ts b/tests/fixtures/typescript/basics/function-with-types-assignation.src.ts
new file mode 100644
index 0000000..b6d3f08
--- /dev/null
+++ b/tests/fixtures/typescript/basics/function-with-types-assignation.src.ts
@@ -0,0 +1,3 @@
+function message(name:string, age:number = 100, ...args:Array<string>):string {
+  return name;
+}