diff --git a/lib/rules/require-prop-types.js b/lib/rules/require-prop-types.js
index e767481fd..213bfdfe1 100644
--- a/lib/rules/require-prop-types.js
+++ b/lib/rules/require-prop-types.js
@@ -64,7 +64,9 @@ function create (context) {
 
     if (node.value.type === 'ObjectExpression') {
       checkProperties(node.value.properties)
-    } else {
+    }
+
+    if (node.value.type === 'ArrayExpression') {
       context.report({
         node,
         message: 'Props should at least define their types.'
diff --git a/tests/lib/rules/require-prop-types.js b/tests/lib/rules/require-prop-types.js
index 1c6944e0d..5f9342e7a 100644
--- a/tests/lib/rules/require-prop-types.js
+++ b/tests/lib/rules/require-prop-types.js
@@ -69,6 +69,24 @@ ruleTester.run('require-prop-types', rule, {
         }
       `,
       parserOptions: { ecmaVersion: 6, sourceType: 'module' }
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          props
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' }
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          props: externalProps
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' }
     }
   ],