From 139e3b73a2c638aad43c6824b0228c879d879c55 Mon Sep 17 00:00:00 2001
From: mgehre <mgehre@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Mon, 30 Dec 2013 12:47:07 +0000
Subject: [PATCH] MAX: Fix last commit

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@4507 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/10_MAX.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/10_MAX.pm b/fhem/FHEM/10_MAX.pm
index d64a0633d..293c75601 100755
--- a/fhem/FHEM/10_MAX.pm
+++ b/fhem/FHEM/10_MAX.pm
@@ -537,7 +537,7 @@ MAX_Set($@)
       # check if Wallthermo is in same group
       foreach my $addr ( keys %{$modules{MAX}{defptr}} ) {
         $shash = $modules{MAX}{defptr}{$addr};
-        $wallthermo = 1 if((MAX_ReadingsVal($shash,"groupid") eq MAX_ReadingsVal($hash,"groupid")) and $shash->{type} eq "WallMountedThermostat");
+        $wallthermo = 1 if(defined $shash->{type} && $shash->{type} eq "WallMountedThermostat" && (MAX_ReadingsVal($shash,"groupid") eq MAX_ReadingsVal($hash,"groupid")));
       }
 
       if ($wallthermo eq 1) {