diff --git a/l2tpns.c b/l2tpns.c
index 23ff8ab..6393495 100644
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -5083,7 +5083,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
 						if (atype != 0) {
 						  sess_local[s].auth_type = atype;
 						}
-						strncpy(session[s].auth_name, authname, sizeof(session[s].auth_name) - 1);
+						strncpy(session_local[s].auth_name, authname, sizeof(session_local[s].auth_name) - 1);
 
 						if (!sess_local[s].lcp_authtype)
 						{