diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 3a93e5e..cf22de2 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -606,7 +606,7 @@ 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() {