diff --git a/browser/main/store.js b/browser/main/store.js
index 469eb4af..8b778939 100644
--- a/browser/main/store.js
+++ b/browser/main/store.js
@@ -439,6 +439,11 @@ function data (state = defaultDataMap(), action) {
         })
       }
       return state
+    case 'RENAME_STORAGE':
+      state = Object.assign({}, state)
+      state.storageMap = new Map(state.storageMap)
+      state.storageMap.set(action.storage.key, action.storage)
+      return state
   }
   return state
 }