diff --git a/ChangeLog b/ChangeLog
index fb8d5c538..66c6ceb41 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -89,6 +89,7 @@ Version 0.4.0 (under dev!)
 * irc: fix crash when message 352 has too few arguments (bug #37513)
 * irc: remove unneeded server disconnect when server buffer is closed and server
   is already disconnected
+* relay: fix memory leak when adding hdata to a message (weechat protocol)
 * relay: add backlog and server capability "server-time" for irc protocol, add
   new options relay.irc.backlog_max_minutes, relay.irc.backlog_max_number,
   relay.irc.backlog_since_last_disconnect, relay.irc.backlog_tags,
diff --git a/src/plugins/relay/weechat/relay-weechat-msg.c b/src/plugins/relay/weechat/relay-weechat-msg.c
index 741059473..b5cd4bee4 100644
--- a/src/plugins/relay/weechat/relay-weechat-msg.c
+++ b/src/plugins/relay/weechat/relay-weechat-msg.c
@@ -700,6 +700,7 @@ relay_weechat_msg_add_hdata (struct t_relay_weechat_msg *msg,
                                                   ptr_hdata_head,
                                                   pointer,
                                                   list_keys);
+        free (path_pointers);
     }
     count32 = htonl ((uint32_t)count);
     relay_weechat_msg_set_bytes (msg, pos_count, &count32, 4);