diff --git a/scapy/layers/spnego.py b/scapy/layers/spnego.py
index 6ee57c66a39..67948c4d611 100644
--- a/scapy/layers/spnego.py
+++ b/scapy/layers/spnego.py
@@ -509,7 +509,7 @@ class SPNEGOSSP(SSP):
         "supported_ssps",
         "force_supported_mechtypes",
     ]
-    auth_type = 0x0A
+    auth_type = 0x09
 
     class STATE(SSP.STATE):
         FIRST = 1