diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 6cbfbf8..66b1e09 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -608,7 +608,7 @@ extendPanelWidget();
     })
 
     init();
-    if( $('div[data-pp="1100"]').html().trim() !== ''){
+    if( $('div[data-pp="1100"]').length != 0 && $('div[data-pp="1100"]').html().trim() !== ''){
       $('.black-screen').addClass('active');
     }
     $('.close-btn').click(function() {