From 03f93524dac3f59d06396fa9dfb3b4dd55bcaf05 Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Tue, 3 Feb 2026 23:20:44 +0000
Subject: [PATCH] Fix max_connections not being honoured on websockets
 listeners.

Closes #3455. Thanks to FelixPopp.
---
 ChangeLog.txt    | 2 +-
 src/websockets.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 3cfd33ec..f12dda53 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -16,7 +16,7 @@ Broker:
 - Fix max_connections not being honoured on websockets listeners. Closes #3455.
 - Fix outgoing maximum-packet-size limit check. Closes #3503.
 - Fix creation of log and runtime directories in systemd unit files.
- Closes #3344.
+  Closes #3344.
 - Fix will messages being incorrectly delayed if a client set
   session-expiry-interval=0 when using will-delay-interval>0. Closes #3505.
 
diff --git a/src/websockets.c b/src/websockets.c
index ffd55e2d..0a8e5d0a 100644
--- a/src/websockets.c
+++ b/src/websockets.c
@@ -196,6 +196,7 @@ static int callback_mqtt(
 					HASH_DELETE(hh_sock, db.contexts_by_sock, mosq);
 					mosq->sock = INVALID_SOCKET;
 					mux__delete(mosq);
+					mosq->listener->client_count--;
 				}
 				mosq->wsi = NULL;
 #ifdef WITH_TLS