diff --git a/lib/app/store.js b/lib/app/store.js
index 2658ac30e4..4ffb913344 100644
--- a/lib/app/store.js
+++ b/lib/app/store.js
@@ -63,13 +63,15 @@ if (typeof storeData !== 'function') {
 
     //if file is foo/index.js we want to overwrite properties from foo.js
     //but not from appended mods like foo/actions.js
-    var appendedMods = []
+    var appendedMods = {}
     if (module[name].appends) {
-      fileModule.appends = module[name].appends
+      appendedMods.appends = module[name].appends
       for (let append of module[name].appends)
         appendedMods[append] = module[name][append]
     }
-    module[name] = Object.assign(module[name], fileModule, appendedMods)
+
+    module[name] = Object.assign({}, module[name], fileModule, appendedMods)
+    module[name].namespaced = true
   }
 
 }