diff --git a/nodes/main.py b/nodes/main.py
index 4de9e68..7dde7e6 100644
--- a/nodes/main.py
+++ b/nodes/main.py
@@ -227,8 +227,8 @@ class PeeringManager:
         else:
             return False, ret_code
 
-    def update_peering(self, asn, wg_key, MNT=NotSpecified, node=NotSpecified, endpoint=NotSpecified, ipv6ll=NotSpecified, ipv4=NotSpecified, ipv6=NotSpecified, bgp_mp=NotSpecified, bgp_enh=NotSpecified):
-
+    def update_peering(self, ASN, wg_key, MNT=NotSpecified, node=NotSpecified, endpoint=NotSpecified, ipv6ll=NotSpecified, ipv4=NotSpecified, ipv6=NotSpecified, bgp_mp=NotSpecified, bgp_enh=NotSpecified):
+        asn = ASN
         try:
             if not asn in self.peerings:
                 return False, 404
@@ -404,4 +404,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()