diff --git a/web/gui/src/main/webapp/app/view/app/app.js b/web/gui/src/main/webapp/app/view/app/app.js
index 3bb5858..567ec2c 100644
--- a/web/gui/src/main/webapp/app/view/app/app.js
+++ b/web/gui/src/main/webapp/app/view/app/app.js
@@ -32,7 +32,7 @@
         middle,
         bottom,
         wSize = false,
-        activateImmediately;
+        activateImmediately = '';
 
     // constants
     var INSTALLED = 'INSTALLED',