diff --git a/html/main.html b/html/main.html
index 3a666b3eb4..0c244369e2 100644
--- a/html/main.html
+++ b/html/main.html
@@ -17,7 +17,7 @@
         <link rel="shortcut icon" href="{{basePath}}{{faviconPath}}" type="image/x-icon">
         <script type="text/javascript">
             $(() => {
-                Espo.loader.setCacheTimestamp({{loaderCacheTimestamp}});
+                Espo.loader.setCacheTimestamp({{cacheTimestamp}});
                 Espo.loader.setBasePath('{{basePath}}');
 
                 Espo.loader