diff --git a/openbsc/src/bsc/osmo_bsc_api.c b/openbsc/src/bsc/osmo_bsc_api.c
index f22e9a7..f26d6a9 100644
--- a/openbsc/src/bsc/osmo_bsc_api.c
+++ b/openbsc/src/bsc/osmo_bsc_api.c
@@ -35,7 +35,7 @@
 	return BSC_API_CONN_POL_REJECT;
 }
 
-static void bsc_dtap(struct gsm_subscriber_connection *conn, struct msgb *msg)
+static void bsc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg)
 {
 }