diff --git a/lib/zin/wg/docapp/js/v1.js b/lib/zin/wg/docapp/js/v1.js
index 4b7f8d86e5..963234a6b1 100644
--- a/lib/zin/wg/docapp/js/v1.js
+++ b/lib/zin/wg/docapp/js/v1.js
@@ -1223,7 +1223,7 @@ const actionsMap =
 
         let previewAction = null;
         let isOfficeFile  = 'doc|docx|xls|xlsx|ppt|pptx|pdf'.includes(file.extension);
-        let canPreview    = ('txt|jpg|jpeg|gif|png|bmp|mp4'.includes(file.extension));
+        let canPreview    = 'txt|jpg|jpeg|gif|png|bmp|mp4'.includes(file.extension);
         if(libreOfficeTurnon && isOfficeFile) canPreview = true;
         if(canPreview)
         {