diff --git a/src/babel/transformation/templates/helper-create-decorated-object.js b/src/babel/transformation/templates/helper-create-decorated-object.js
index 3172747e03..e1a6005a31 100644
--- a/src/babel/transformation/templates/helper-create-decorated-object.js
+++ b/src/babel/transformation/templates/helper-create-decorated-object.js
@@ -13,7 +13,7 @@
 
     descriptor.enumerable = true;
     descriptor.configurable = true;
-    descriptor.writable = true;
+    if ("value" in descriptor || descriptor.initializer) descriptor.writable = true;
 
     if (decorators) {
       for (var f = 0; f < decorators.length; f++) {