diff --git a/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js b/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js
index 027ff72f14..e21dff2935 100644
--- a/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js
+++ b/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js
@@ -1,5 +1,6 @@
 (function (target, key, descriptors) {
   var _descriptor = descriptors[key];
+  if (!_descriptor) return;
 
   // clone it
   var descriptor = {};