diff --git a/src/irc/core/irc-servers.c b/src/irc/core/irc-servers.c
index 0fca78a0..8251c882 100644
--- a/src/irc/core/irc-servers.c
+++ b/src/irc/core/irc-servers.c
@@ -241,6 +241,7 @@ static void server_init(IRC_SERVER_REC *server)
 	irc_cap_toggle(server, CAP_AWAY_NOTIFY, TRUE);
 	irc_cap_toggle(server, CAP_CHGHOST, TRUE);
 	irc_cap_toggle(server, CAP_ACCOUNT_NOTIFY, TRUE);
+	irc_cap_toggle(server, CAP_SELF_MESSAGE, TRUE);
 
 	irc_send_cmd_now(server, "CAP LS " CAP_LS_VERSION);
 
diff --git a/src/irc/core/irc-servers.h b/src/irc/core/irc-servers.h
index f74b8210..2757db0d 100644
--- a/src/irc/core/irc-servers.h
+++ b/src/irc/core/irc-servers.h
@@ -25,6 +25,7 @@
 #define CAP_AWAY_NOTIFY "away-notify"
 #define CAP_CHGHOST "chghost"
 #define CAP_ACCOUNT_NOTIFY "account-notify"
+#define CAP_SELF_MESSAGE "znc.in/self-message"
 
 /* returns IRC_SERVER_REC if it's IRC server, NULL if it isn't */
 #define IRC_SERVER(server) \