diff --git a/platform/core/bundle.js b/platform/core/bundle.js
index 4031592419..5691a358bb 100644
--- a/platform/core/bundle.js
+++ b/platform/core/bundle.js
@@ -414,7 +414,7 @@ define([
             "runs": [
                 {
                     "implementation": PersistingMutationListener,
-                    "depends": [ "topic" ]
+                    "depends": ["topic"]
                 }
             ],
             "constants": [