diff --git a/global-functions.rsc b/global-functions.rsc
index 48aaf7f..dccb8b6 100644
--- a/global-functions.rsc
+++ b/global-functions.rsc
@@ -539,10 +539,16 @@
 :set FetchUserAgentStr do={
   :local Caller [ :tostr $1 ];
 
+  :global CommitId;
+  :global CommitInfo;
+
+  :global IfThenElse;
+
   :local Resource [ /system/resource/get ];
 
-  :return ("User-Agent: Mikrotik/" . $Resource->"version" . " " . \
-    $Resource->"architecture-name" . " " . $Caller . "/Fetch (https://rsc.eworm.de/)");
+  :return ("User-Agent: Mikrotik/" . $Resource->"version" . " " . $Resource->"architecture-name" . \
+    " " . $Caller . "/Fetch (https://rsc.eworm.de/" . [ $IfThenElse ($CommitId != "unknown") \
+    ("; " . $CommitInfo . "/" . [ :pick $CommitId 0 8 ]) ] . ")");
 }
 
 # check for existence of file, optionally with type