From 2d7cc68c3c04b26f4c90d0bd9791b3af66861c56 Mon Sep 17 00:00:00 2001
From: Beta-User <>
Date: Tue, 17 Sep 2019 05:32:15 +0000
Subject: [PATCH] mqtt2.template: set one more par statement default to undef

git-svn-id: https://svn.fhem.de/fhem/trunk@20177 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/lib/AttrTemplate/mqtt2.template | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/lib/AttrTemplate/mqtt2.template b/fhem/FHEM/lib/AttrTemplate/mqtt2.template
index a22961b25..494606834 100644
--- a/fhem/FHEM/lib/AttrTemplate/mqtt2.template
+++ b/fhem/FHEM/lib/AttrTemplate/mqtt2.template
@@ -598,7 +598,7 @@ desc:Configures a dual chanel tasmota device as shutter; needs a special firmwar
 par:CMNDTOPIC;Command topic prefix, without trailing /;{ AttrVal("DEVICE","readingList","") =~ m,([^:]*)\b(tele|cmnd|stat)(/.*)?/LWT:, ? "${1}cmnd$3" : undef }
 par:TELETOPIC;info topic prefix, without trailing /;{ AttrVal("DEVICE","readingList","") =~ m,([^:]*)\b(tele|cmnd|stat)(/.*)?/LWT:, ? "${1}tele$3" : undef }
 par:STATTOPIC;ack topic prefix, without trailing /;{ AttrVal("DEVICE","readingList","") =~ m,([^:]*)\b(tele|cmnd|stat)(/.*)?/LWT:, ? "${1}stat$3" : undef }
-par:IO_DEV;Currently used IO;{ AttrVal("DEVICE","IODev","")}
+par:IO_DEV;Currently used IO;{ AttrVal("DEVICE","IODev",undef)}
 set DEVICE attrTemplate A_01z_tasmota_set_lowercase_texts_and_state1
 set IO_DEV publish CMNDTOPIC/Backlog LedState 2; SetOption80 1; Interlock0 1; SetOption81 1; switchmode1 3; switchmode2 3; SaveData 1;
 set IO_DEV publish CMNDTOPIC/Restart 1