diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index b2eb937..f73cf44 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -320,7 +320,7 @@
           });
         }
       },lightBox:function(){
-            if( $('div[data-pp="1000"]').html().trim() !== ''){
+            if( $('div[data-pp="1000"]').length != 0 && $('div[data-pp="1000"]').html().trim() !== ''){
                 $('.black-screen').addClass('active');
             }