From aefbf48d65f0fd54e7201ae6ffa7813d5639107d Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Mon, 3 Dec 2018 17:13:16 +0000
Subject: [PATCH] 10_MQTT2_DEVICE.pm: readinglist-prefix exception for
 zigbee2mqtt (Forum #91394)

git-svn-id: https://svn.fhem.de/fhem/trunk@17888 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/10_MQTT2_DEVICE.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/10_MQTT2_DEVICE.pm b/fhem/FHEM/10_MQTT2_DEVICE.pm
index d63d6f996..b5af077ca 100644
--- a/fhem/FHEM/10_MQTT2_DEVICE.pm
+++ b/fhem/FHEM/10_MQTT2_DEVICE.pm
@@ -161,7 +161,7 @@ MQTT2_DEVICE_Parse($$)
         my $ret = json2nameValue($value);
         if(keys %{$ret}) {
           $topic =~ m,.*/([^/]+),;
-          my $prefix = $1 ? "${1}_" : "";
+          my $prefix = ($1 && $1 !~m/^0x[0-9a-f]+$/) ? "${1}_" : ""; # 91394
           $add = "{ json2nameValue(\$EVENT, '$prefix') }";
         }
       }