diff --git a/lib/6to5/transformation/templates/property-method-assignment-wrapper-generator.js b/lib/6to5/transformation/templates/property-method-assignment-wrapper-generator.js
new file mode 100644
index 0000000000..fb59a89ae9
--- /dev/null
+++ b/lib/6to5/transformation/templates/property-method-assignment-wrapper-generator.js
@@ -0,0 +1,11 @@
+(function (FUNCTION_KEY) {
+  var WRAPPER_KEY = function* FUNCTION_ID() {
+    return yield* FUNCTION_KEY.apply(this, arguments);
+  };
+
+  WRAPPER_KEY.toString = function () {
+    return FUNCTION_KEY.toString();
+  };
+
+  return WRAPPER_KEY;
+})(FUNCTION)