diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 175d5510cf..688641d7c4 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -13142,7 +13142,7 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
 
 	/* Acknowledge whatever it is destined for */
 	if ((resp >= 100) && (resp <= 199)) {
-		ack_res = __sip_semi_ack(p, seqno, 0, sipmethod)
+		ack_res = __sip_semi_ack(p, seqno, 0, sipmethod);
 	} else {
 		ack_res = __sip_ack(p, seqno, 0, sipmethod);
 	}