diff --git a/CRM/Utils/System/Base.php b/CRM/Utils/System/Base.php
index 2d8a81ca66f2a555d2b5ee74bade14d37a102e10..8642f53fbee8ccb16c83578e9266801457abfc12 100644
--- a/CRM/Utils/System/Base.php
+++ b/CRM/Utils/System/Base.php
@@ -680,7 +680,7 @@ abstract class CRM_Utils_System_Base {
     }
 
     return [
-      'url' => CRM_Utils_File::addTrailingSlash($userFrameworkResourceURL),
+      'url' => CRM_Utils_File::addTrailingSlash($userFrameworkResourceURL, '/'),
       'path' => CRM_Utils_File::addTrailingSlash($civicrm_root),
     ];
   }