diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 229da64d53..414cf89b2c 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -30416,6 +30416,10 @@ static void set_peer_defaults(struct sip_peer *peer)
 	peer->disallowed_methods = sip_cfg.disallowed_methods;
 	peer->transports = default_transports;
 	peer->default_outbound_transport = default_primary_transport;
+	if (peer->outboundproxy) {
+		ao2_ref(peer->outboundproxy, -1);
+		peer->outboundproxy = NULL;
+	}
 }
 
 /*! \brief Create temporary peer (used in autocreatepeer mode) */