diff --git a/src/typescript/Scala.tmLanguage.ts b/src/typescript/Scala.tmLanguage.ts
index d84900a..78febdb 100644
--- a/src/typescript/Scala.tmLanguage.ts
+++ b/src/typescript/Scala.tmLanguage.ts
@@ -815,7 +815,7 @@ export const scalaTmLanguage: TmLanguage = {
           }
         },
         { // val x1[, x2, x3, ...] = y
-          match: `\\b(val)\\b\\s*${notStartOfComment}(${anyId}(?:\\s*,\\s*${anyId})*)?`,
+          match: `\\b(val)\\b\\s*${notStartOfComment}(${anyId}(?:\\s*,\\s*${anyId})*)?(?!\")`,
           captures: {
             '1': {
               name: 'keyword.declaration.stable.scala'
@@ -826,7 +826,7 @@ export const scalaTmLanguage: TmLanguage = {
           }
         },
         { // var x1[, x2, x3, ...] = y
-          match: `\\b(var)\\b\\s*${notStartOfComment}(${anyId}(?:\\s*,\\s*${anyId})*)?`,
+          match: `\\b(var)\\b\\s*${notStartOfComment}(${anyId}(?:\\s*,\\s*${anyId})*)?(?!\")`,
           captures: {
             '1': {
               name: 'keyword.declaration.volatile.scala'
diff --git a/tests/unit/#233.test.scala b/tests/unit/#233.test.scala
new file mode 100644
index 0000000..486eb80
--- /dev/null
+++ b/tests/unit/#233.test.scala
@@ -0,0 +1,22 @@
+// SYNTAX TEST "source.scala"
+
+  "abc" match
+    case x"${x}b$y" =>
+//       ^ keyword.interpolation.scala
+//          ^ meta.template.expression.scala punctuation.definition.template-expression.begin.scala
+//            ^ meta.template.expression.scala punctuation.definition.template-expression.end.scala
+
+  val x"${x}b$y" = "abc"
+//    ^ keyword.interpolation.scala
+//       ^ meta.template.expression.scala punctuation.definition.template-expression.begin.scala
+//         ^ meta.template.expression.scala punctuation.definition.template-expression.end.scala
+
+  var x"${x}b$y" = "abc"
+//    ^ keyword.interpolation.scala
+//       ^ meta.template.expression.scala punctuation.definition.template-expression.begin.scala
+//         ^ meta.template.expression.scala punctuation.definition.template-expression.end.scala
+
+  val (x"${x}b$y", _) = "abc"
+//     ^ keyword.interpolation.scala
+//        ^ meta.template.expression.scala punctuation.definition.template-expression.begin.scala
+//          ^ meta.template.expression.scala punctuation.definition.template-expression.end.scala