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 3b9c9e729e..e4bc5c14f7 100644
--- a/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js
+++ b/src/babel/transformation/templates/helper-define-decorated-property-descriptor.js
@@ -6,7 +6,7 @@
   for (var _key in _descriptor) descriptor[_key] = _descriptor[_key];
 
   // initialize it
-  descriptor.value = descriptor.initializer();
+  descriptor.value = descriptor.initializer.call(target);
 
   Object.defineProperty(target, key, descriptor);
 })