diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index b7c2270e4e..9f95510db8 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -27724,10 +27724,12 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *i
 	if (!ast_bridged_channel(chan) && !sip_cfg.directrtpsetup) 	/* We are in early state */
 		return 0;
 
+	ast_channel_lock(chan);
 	sip_pvt_lock(p);
 	if (p->alreadygone) {
 		/* If we're destroyed, don't bother */
 		sip_pvt_unlock(p);
+		ast_channel_unlock(chan);
 		return 0;
 	}
 
@@ -27736,6 +27738,7 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *i
 	*/
 	if (nat_active && !ast_test_flag(&p->flags[0], SIP_DIRECT_MEDIA_NAT)) {
 		sip_pvt_unlock(p);
+		ast_channel_unlock(chan);
 		return 0;
 	}
 
@@ -27778,6 +27781,7 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *i
 	/* Reset lastrtprx timer */
 	p->lastrtprx = p->lastrtptx = time(NULL);
 	sip_pvt_unlock(p);
+	ast_channel_unlock(chan);
 	return 0;
 }