From 77ef114ad19bb7fd391e80e5c7a893bdd0bded04 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Tue, 19 Apr 2022 17:32:19 +0000
Subject: [PATCH] 00_MQTT2_SERVER.pm: fix clearRetain (Forum #127223)

git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@25984 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/00_MQTT2_SERVER.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/FHEM/00_MQTT2_SERVER.pm b/FHEM/00_MQTT2_SERVER.pm
index 8b101b990..4fe48b9c4 100644
--- a/FHEM/00_MQTT2_SERVER.pm
+++ b/FHEM/00_MQTT2_SERVER.pm
@@ -236,7 +236,7 @@ MQTT2_SERVER_Set($@)
     my $rname = AttrVal($hash->{NAME}, "hideRetain", 0) ? "RETAIN" : ".RETAIN";
     delete($hash->{READINGS}{$rname});
     delete($hash->{retain});
-
+    return undef;
   }
 }