diff --git a/common/include/kni_cmsg.h b/common/include/kni_cmsg.h
index 4e9c507..7958f49 100644
--- a/common/include/kni_cmsg.h
+++ b/common/include/kni_cmsg.h
@@ -98,6 +98,7 @@ enum tfe_cmsg_tlv_type
     //cmsg common_direction
     TFE_CMSG_COMMON_DIRECTION,
     TFE_CMSG_SSL_PASSTHROUGH_REASON,
+    TFE_CMSG_POLICY_VSYS_ID, // unsigned int
     //cmsg tlv max
     KNI_CMSG_TLV_NR_MAX,
 };