diff --git a/openbsc/src/osmo-bsc/osmo_bsc_filter.c b/openbsc/src/osmo-bsc/osmo_bsc_filter.c
index fa7f2d9..f7f3053 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_filter.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_filter.c
@@ -227,13 +227,13 @@
 
 static void send_welcome_ussd(struct gsm_subscriber_connection *conn)
 {
-	struct osmo_bsc_sccp_con *bsc;
+	struct osmo_bsc_sccp_con *bsc_con;
 
-	bsc = conn->sccp_con;
-	if (!bsc || !bsc->msc->ussd_welcome_txt);
+	bsc_con = conn->sccp_con;
+	if (!bsc_con || !bsc_con->msc->ussd_welcome_txt);
 		return;
 
-	gsm0480_send_ussdNotify(conn, 1, bsc->msc->ussd_welcome_txt);
+	gsm0480_send_ussdNotify(conn, 1, bsc_con->msc->ussd_welcome_txt);
 	gsm0480_send_releaseComplete(conn);
 }