diff --git a/src/common.h b/src/common.h
index d7eaac45..672e5e6c 100644
--- a/src/common.h
+++ b/src/common.h
@@ -6,7 +6,7 @@
 #define IRSSI_GLOBAL_CONFIG "irssi.conf" /* config file name in /etc/ */
 #define IRSSI_HOME_CONFIG "config" /* config file name in ~/.irssi/ */
 
-#define IRSSI_ABI_VERSION 21
+#define IRSSI_ABI_VERSION 22
 
 #define DEFAULT_SERVER_ADD_PORT 6667
 #define DEFAULT_SERVER_ADD_TLS_PORT 6697
diff --git a/src/core/nick-rec.h b/src/core/nick-rec.h
index 1463f9f3..53bc7098 100644
--- a/src/core/nick-rec.h
+++ b/src/core/nick-rec.h
@@ -8,6 +8,7 @@ time_t last_check; /* last time gone was checked */
 char *nick;
 char *host;
 char *realname;
+char *account;
 int hops;
 
 /* status in server */
diff --git a/src/fe-common/core/fe-messages.c b/src/fe-common/core/fe-messages.c
index 5edac26d..4e1c2596 100644
--- a/src/fe-common/core/fe-messages.c
+++ b/src/fe-common/core/fe-messages.c
@@ -349,14 +349,15 @@ static void sig_message_own_private(SERVER_REC *server, const char *msg,
 }
 
 static void sig_message_join(SERVER_REC *server, const char *channel,
-			     const char *nick, const char *address)
+			     const char *nick, const char *address,
+			     const char *account, const char *realname)
 {
 	int level = MSGLEVEL_JOINS;
 
 	ignore_check_plus(server, nick, address, channel, NULL, &level, FALSE);
 
 	printformat(server, channel, level,
-		    TXT_JOIN, nick, address, channel);
+		    TXT_JOIN, nick, address, channel, account, realname);
 }
 
 static void sig_message_part(SERVER_REC *server, const char *channel,
diff --git a/src/fe-common/core/module-formats.c b/src/fe-common/core/module-formats.c
index 0c41e68b..50d8d7cc 100644
--- a/src/fe-common/core/module-formats.c
+++ b/src/fe-common/core/module-formats.c
@@ -94,7 +94,7 @@ FORMAT_REC fecommon_core_formats[] = {
 	/* ---- */
 	{ NULL, "Channels", 0 },
 
-	{ "join", "{channick_hilight $0} {chanhost_hilight $1} has joined {channel $2}", 3, { 0, 0, 0 } },
+	{ "join", "{channick_hilight $0} {chanhost_hilight $1} has joined {channel $2}", 5, { 0, 0, 0, 0, 0 } },
 	{ "part", "{channick $0} {chanhost $1} has left {channel $2} {reason $3}", 4, { 0, 0, 0, 0 } },
 	{ "kick", "{channick $0} was kicked from {channel $1} by {nick $2} {reason $3}", 5, { 0, 0, 0, 0, 0 } },
 	{ "quit", "{channick $0} {chanhost $1} has quit {reason $2}", 4, { 0, 0, 0, 0 } },
diff --git a/src/fe-common/irc/fe-events.c b/src/fe-common/irc/fe-events.c
index 30f00efc..8b3fe3ec 100644
--- a/src/fe-common/irc/fe-events.c
+++ b/src/fe-common/irc/fe-events.c
@@ -113,16 +113,16 @@ static void event_notice(IRC_SERVER_REC *server, const char *data,
 static void event_join(IRC_SERVER_REC *server, const char *data,
 		       const char *nick, const char *addr)
 {
-	char *params, *channel, *tmp;
+	char *params, *channel, *tmp, *account, *realname;
 
 	g_return_if_fail(data != NULL);
 
-	params = event_get_params(data, 1, &channel);
+	params = event_get_params(data, 3, &channel, &account, &realname);
 	tmp = strchr(channel, 7); /* ^G does something weird.. */
 	if (tmp != NULL) *tmp = '\0';
 
-	signal_emit("message join", 4, server,
-		    get_visible_target(server, channel), nick, addr);
+	signal_emit("message join", 6, server,
+		    get_visible_target(server, channel), nick, addr, account, realname);
 	g_free(params);
 }
 
diff --git a/src/irc/core/irc-servers.c b/src/irc/core/irc-servers.c
index 5698b9a0..e2d96bdb 100644
--- a/src/irc/core/irc-servers.c
+++ b/src/irc/core/irc-servers.c
@@ -233,6 +233,7 @@ static void server_init(IRC_SERVER_REC *server)
 		irc_cap_toggle(server, CAP_SASL, TRUE);
 
 	irc_cap_toggle(server, CAP_MULTI_PREFIX, TRUE);
+	irc_cap_toggle(server, CAP_EXTENDED_JOIN, 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 f1697c60..cd5a63ff 100644
--- a/src/irc/core/irc-servers.h
+++ b/src/irc/core/irc-servers.h
@@ -17,6 +17,7 @@
 #define CAP_LS_VERSION "302"
 #define CAP_SASL "sasl"
 #define CAP_MULTI_PREFIX "multi-prefix"
+#define CAP_EXTENDED_JOIN "extended-join"
 
 /* returns IRC_SERVER_REC if it's IRC server, NULL if it isn't */
 #define IRC_SERVER(server) \
diff --git a/src/irc/core/massjoin.c b/src/irc/core/massjoin.c
index ec63a0b3..4a3f085d 100644
--- a/src/irc/core/massjoin.c
+++ b/src/irc/core/massjoin.c
@@ -35,7 +35,7 @@ static int massjoin_max_joins;
 static void event_join(IRC_SERVER_REC *server, const char *data,
 		       const char *nick, const char *address)
 {
-	char *params, *channel, *ptr;
+	char *params, *channel, *account, *realname, *ptr;
 	IRC_CHANNEL_REC *chanrec;
 	NICK_REC *nickrec;
 	GSList *nicks, *tmp;
@@ -47,7 +47,8 @@ static void event_join(IRC_SERVER_REC *server, const char *data,
 		return;
 	}
 
-	params = event_get_params(data, 1, &channel);
+	params = event_get_params(data, 3, &channel, &account, &realname);
+
 	ptr = strchr(channel, 7); /* ^G does something weird.. */
 	if (ptr != NULL) *ptr = '\0';
 
@@ -66,6 +67,11 @@ static void event_join(IRC_SERVER_REC *server, const char *data,
 
 	/* add user to nicklist */
 	nickrec = irc_nicklist_insert(chanrec, nick, FALSE, FALSE, FALSE, TRUE, NULL);
+	if (*account != '\0' && g_strcmp0(nickrec->account, account) != 0) {
+		g_free(nickrec->account);
+		nickrec->account = g_strdup(account);
+	}
+
         nicklist_set_host(CHANNEL(chanrec), nickrec, address);
 
 	if (chanrec->massjoins == 0) {
@@ -92,6 +98,11 @@ static void event_join(IRC_SERVER_REC *server, const char *data,
 		g_slist_free(nicks);
 	}
 
+	if (*realname != '\0' && g_strcmp0(nickrec->realname, realname) != 0) {
+		g_free(nickrec->realname);
+		nickrec->realname = g_strdup(realname);
+	}
+
 	chanrec->massjoins++;
 }
 
diff --git a/src/perl/perl-common.c b/src/perl/perl-common.c
index a2c7ffe4..31650cc4 100644
--- a/src/perl/perl-common.c
+++ b/src/perl/perl-common.c
@@ -426,6 +426,7 @@ void perl_nick_fill_hash(HV *hv, NICK_REC *nick)
 	(void) hv_store(hv, "nick", 4, new_pv(nick->nick), 0);
 	(void) hv_store(hv, "host", 4, new_pv(nick->host), 0);
 	(void) hv_store(hv, "realname", 8, new_pv(nick->realname), 0);
+	(void) hv_store(hv, "account", 7, new_pv(nick->account), 0);
 	(void) hv_store(hv, "hops", 4, newSViv(nick->hops), 0);
 
 	(void) hv_store(hv, "gone", 4, newSViv(nick->gone), 0);