AttrTemplate.pm: par checks for undef, not for true (Forum #103731)

git-svn-id: https://svn.fhem.de/fhem/trunk@20170 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2019-09-16 07:06:59 +00:00
parent 84effc70c5
commit b23c47dd73
1 changed files with 1 additions and 1 deletions
--- a/fhem/FHEM/AttrTemplate.pm
+++ b/fhem/FHEM/AttrTemplate.pm
@@ -157,7 +157,7 @@ AttrTemplate_Set($$@)
      $perl_code =~ s/\\DEVICE/DEVICE/g;
      my $ret = eval $perl_code;
      return "Error checking template regexp: $@" if($@);
-      if($ret) {
+      if(defined($ret)) {
        $repl{$parname} = $ret;
        next;
      }