diff --git a/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/helpers.php b/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/helpers.php
index 24aed5483..9f8d61cbc 100644
--- a/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/helpers.php
+++ b/code/ryzom/tools/server/ryzom_ams/ams_lib/autoload/helpers.php
@@ -116,7 +116,7 @@ class Helpers{
     {
          // if HTTP_USER_AGENT is not set then its ryzom core
           global $FORCE_INGAME;
-          if ( ( isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'],"Ryzom") === 0)) || $FORCE_INGAME){
+          if ( ( isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'],"Ryzom") === 0)) || $FORCE_INGAME || ! isset($_SERVER['HTTP_USER_AGENT']) ){
              return true;
           }else{
              return false;