diff --git a/admin/mnet/mnet_themes.php b/admin/mnet/mnet_themes.php
index 4ee49aec28b..ba214fa0ba7 100644
--- a/admin/mnet/mnet_themes.php
+++ b/admin/mnet/mnet_themes.php
@@ -73,5 +73,5 @@
         }
     }
     $adminroot = admin_get_root();
-    require_once('./mnet_themes.html');
+    require('./mnet_themes.html');
 ?>