diff --git a/packages/babel/src/transformation/transformers/es6/classes/vanilla.js b/packages/babel/src/transformation/transformers/es6/classes/vanilla.js
index 3425d1a1ee..47cd13025e 100644
--- a/packages/babel/src/transformation/transformers/es6/classes/vanilla.js
+++ b/packages/babel/src/transformation/transformers/es6/classes/vanilla.js
@@ -226,7 +226,9 @@ export default class ClassTransformer {
    */
 
   buildConstructor() {
-    return t.functionDeclaration(this.classRef, [], this.constructorBody);
+    var func = t.functionDeclaration(this.classRef, [], this.constructorBody);
+    t.inherits(func, this.node);
+    return func;
   }
 
   /**