diff --git a/js/userdesign.go.js b/js/userdesign.go.js
index b54b492cce..833b19adcb 100644
--- a/js/userdesign.go.js
+++ b/js/userdesign.go.js
@@ -89,11 +89,10 @@ $(document).ready(function() {
         $('body').css({'background-image':'none'});
     });
     $('#design_background-image_on').focus(function() {
-        var bis = $('#design_background-image_onoff img')[0].src;
-        $('body').css({'background-image':'url('+bis+')'});
+        $('body').css({'background-image':'url('+$('#design_background-image_onoff img')[0].src+')'});
     });
 
     $('#design_background-image_repeat').click(function() {
         ($(this)[0].checked) ? $('body').css({'background-repeat':'repeat'}) : $('body').css({'background-repeat':'no-repeat'});
     });
-});
\ No newline at end of file
+});