diff --git a/public/js/script.js b/public/js/script.js
index 2a2b49c9..3eb715fd 100644
--- a/public/js/script.js
+++ b/public/js/script.js
@@ -760,7 +760,7 @@ function usingTinymce3() {
 }
 
 function usingTinymce4AndColorbox() {
-  return !!getUrlParam('field_name');
+  return !!getUrlParam('field_name') && getUrlParam('editor') != 'tinymce5';
 }
 
 function usingTinymce5(){