diff --git a/openbsc/src/mgcp/mgcp_main.c b/openbsc/src/mgcp/mgcp_main.c
index f7f1f80fc..6d0afa018 100644
--- a/openbsc/src/mgcp/mgcp_main.c
+++ b/openbsc/src/mgcp/mgcp_main.c
@@ -128,7 +128,7 @@ static int mgcp_rsip_cb(struct mgcp_config *cfg)
 	return 0;
 }
 
-static int mgcp_change_cb(struct mgcp_config *cfg, int endpoint, int state, int local_rtp)
+static int mgcp_change_cb(struct mgcp_config *cfg, int endpoint, int state)
 {
 	if (state != MGCP_ENDP_MDCX)
 		return 0;