diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index 15c051f20..28565e352 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -36,6 +36,7 @@ Bug fixes::
   * core: display an error on startup if environment variable "HOME" is not set
   * core: fix crash when a custom bar item name is already used by a default bar item (issue #2034)
   * core: fix random timeouts when a lot of concurrent processes are launched with hook_process (issue #2033)
+  * irc: fix target buffer of IRC message 337 (whois reply: "is hiding their idle time")
   * irc: revert compute of nick colors to case sensitive way, deprecate again infos "irc_nick_color" and "irc_nick_color_name" (issue #194, issue #2032)
   * relay: close properly connection with the IRC client in case of server disconnection (issue #2038)
   * ruby: fix use of NULL variable when displaying exception
diff --git a/src/plugins/irc/irc-protocol.c b/src/plugins/irc/irc-protocol.c
index 345bcb61d..68fe3249d 100644
--- a/src/plugins/irc/irc-protocol.c
+++ b/src/plugins/irc/irc-protocol.c
@@ -8026,7 +8026,8 @@ irc_protocol_recv_command (struct t_irc_server *server,
         IRCB(331, 1, 0, 331),            /* no topic for channel            */
         IRCB(332, 0, 1, 332),            /* topic of channel                */
         IRCB(333, 1, 0, 333),            /* topic info (nick/date)          */
-        IRCB(335, 1, 0, whois_nick_msg), /* is a bot on                     */
+        IRCB(335, 1, 0, whois_nick_msg), /* whois (is a bot on)             */
+        IRCB(337, 1, 0, whois_nick_msg), /* whois (is hiding idle time)     */
         IRCB(338, 1, 0, 338),            /* whois (host)                    */
         IRCB(341, 1, 0, 341),            /* inviting                        */
         IRCB(343, 1, 0, 330_343),        /* is opered as                    */