diff --git a/includes/app.php b/includes/app.php
index d948a98..20fa812 100644
--- a/includes/app.php
+++ b/includes/app.php
@@ -89,7 +89,8 @@ class app
 
     private function checkIfFilterNeeded()
     {
-        if(in_array("X-Gitea",$_SERVER))
+
+        if(in_array("HTTP_X_GITEA_DELIVERY",$_SERVER))
         {
             return 'gitea';
         }