diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index fd3c002..5a76baa 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -104,7 +104,7 @@
 				gh->proto_discr, gh->msg_type);
 	}
 
-	return gsm0808_submit_dtap(conn, msg, 0);
+	return gsm0808_submit_dtap(conn, msg, 0, 0);
 }
 
 int gsm48_cc_tx_notify_ss(struct gsm_trans *trans, const char *message)