diff --git a/source3/nmbd/nmbd_winsserver.c b/source3/nmbd/nmbd_winsserver.c
index ff5fae7..31b1be6 100644
--- a/source3/nmbd/nmbd_winsserver.c
+++ b/source3/nmbd/nmbd_winsserver.c
@@ -1038,7 +1038,7 @@ static void wins_register_query_success(struct subnet_record *subrec,
 	DEBUG(3,("wins_register_query_success: Original client at IP %s still wants the \
 name %s. Rejecting registration request.\n", inet_ntoa(ip), nmb_namestr(question_name) ));
 
-	send_wins_name_registration_response(RFS_ERR, 0, orig_reg_packet);
+	send_wins_name_registration_response(ACT_ERR, 0, orig_reg_packet);
 
 	orig_reg_packet->locked = False;
 	free_packet(orig_reg_packet);