diff --git a/html/js/scripts.js b/html/js/scripts.js
index 9bbf5b060..05f0bdfa8 100644
--- a/html/js/scripts.js
+++ b/html/js/scripts.js
@@ -1420,7 +1420,8 @@ function remove_waiting_node()
 }
 function remove_waiting_box()
 {
-    Effect.Fade('wait_box', { duration: 0.6 });
+    if ( $('wait_box') ) { Effect.Fade('wait_box', { duration: 0.6 }); }
+    
     remove_waiting_node();
 }
 /**