diff --git a/apps/banglexercise/app.js b/apps/banglexercise/app.js
index ac4153239..3e53cff61 100644
--- a/apps/banglexercise/app.js
+++ b/apps/banglexercise/app.js
@@ -1,5 +1,6 @@
 const Layout = require("Layout");
 const heatshrink = require('heatshrink');
+const storage = require('storage');
 
 let tStart;
 let historyY = [];