diff --git a/src/fe-common/irc/fe-events-numeric.c b/src/fe-common/irc/fe-events-numeric.c
index efe0cfa8..63d11970 100644
--- a/src/fe-common/irc/fe-events-numeric.c
+++ b/src/fe-common/irc/fe-events-numeric.c
@@ -578,6 +578,14 @@ static void event_help(IRC_SERVER_REC *server, int formatnum, const char *data)
 	g_free(params);
 }
 
+static void event_helpnotfound(IRC_SERVER_REC *server, const char *data,
+		      const char *nick)
+{
+	/* Numeric 524 (ERR_HELPNOTFOUND) sent as a reply to HELP or HELPOP command.
+	 */
+	event_help(server, IRCTXT_HELP_NOT_FOUND, data);
+}
+
 static void event_helpstart(IRC_SERVER_REC *server, const char *data,
 		      const char *nick)
 {
@@ -761,6 +769,7 @@ void fe_events_numeric_init(void)
 	signal_add("event 372", (SIGNAL_FUNC) event_motd);
 	signal_add("event 422", (SIGNAL_FUNC) event_motd);
 	signal_add("event 439", (SIGNAL_FUNC) event_target_too_fast);
+	signal_add("event 524", (SIGNAL_FUNC) event_helpnotfound);
 	signal_add("event 704", (SIGNAL_FUNC) event_helpstart);
 	signal_add("event 705", (SIGNAL_FUNC) event_helptxt);
 	signal_add("event 706", (SIGNAL_FUNC) event_endofhelp);
diff --git a/src/fe-common/irc/module-formats.c b/src/fe-common/irc/module-formats.c
index baf9e5a4..131676c5 100644
--- a/src/fe-common/irc/module-formats.c
+++ b/src/fe-common/irc/module-formats.c
@@ -89,6 +89,7 @@ FORMAT_REC fecommon_irc_formats[] = {
 	{ "invitelist_long", "{channel $0}: invite {ban $1} {comment by {nick $2}, $3 secs ago}", 4, { 0, 0, 0, 1 } },
 	{ "no_such_channel", "{channel $0}: No such channel", 1, { 0 } },
 	{ "channel_synced", "Join to {channel $0} was synced in {hilight $1} secs", 2, { 0, 2 } },
+	{ "irctxt_help_not_found", "$1", 2, { 0, 0 } },
 	{ "irctxt_help_start", "$1", 2, { 0, 0 } },
 	{ "irctxt_help_txt", "$1", 2, { 0, 0 } },
 	{ "irctxt_end_of_help", "$1", 2, { 0, 0 } },
diff --git a/src/fe-common/irc/module-formats.h b/src/fe-common/irc/module-formats.h
index 21bf4594..d2e7c1e2 100644
--- a/src/fe-common/irc/module-formats.h
+++ b/src/fe-common/irc/module-formats.h
@@ -66,6 +66,7 @@ enum {
 	IRCTXT_INVITELIST_LONG,
 	IRCTXT_NO_SUCH_CHANNEL,
 	IRCTXT_CHANNEL_SYNCED,
+	IRCTXT_HELP_NOT_FOUND,
 	IRCTXT_HELP_START,
 	IRCTXT_HELP_TXT,
 	IRCTXT_END_OF_HELP,