diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index c6ff79b94e..d504712eb8 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -10354,7 +10354,7 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
 		peer->lastms = 0;
 
 		ast_verb(3, "Unregistered SIP '%s'\n", peer->name);
-			manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: SIP/%s\r\nPeerStatus: Unregistered\r\n", peer->name);
+			manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "ChannelType: SIP\r\nPeer: SIP/%s\r\nPeerStatus: Unregistered\r\n", peer->name);
 		return PARSE_REGISTER_UPDATE;
 	}