diff --git a/lib/reducer.js b/lib/reducer.js
index 2dbd7188..5c266581 100644
--- a/lib/reducer.js
+++ b/lib/reducer.js
@@ -134,6 +134,7 @@ function folders (state = initialFolders, action) {
         state.splice(a, 1, folderB)
         state.splice(b, 1, folderA)
       }
+      dataStore.setFolders(state)
       return state
     default:
       return state