diff --git a/fhem/contrib/betateilchen/debug/configDB.pm b/fhem/contrib/betateilchen/debug/configDB.pm
index affc1e2dd..863d4ce2d 100644
--- a/fhem/contrib/betateilchen/debug/configDB.pm
+++ b/fhem/contrib/betateilchen/debug/configDB.pm
@@ -212,9 +212,9 @@ my ($err,@config);
 
 return 0 if ($err);
 
-map { $_ =~ s/^\s+|\s+$//g; }        @config;
-map { $_ =~ s/;$/;;/;}               @config;
-map { $_ = undef unless length($_) } @config;
+@config = map { $_ =~ s/^\s+|\s+$//g; }        @config;
+@config = map { $_ =~ s/;$/;;/;}               @config;
+@config = map { $_ ? $_ : () } @config;
 
 use Data::Dumper;
 print Dumper @config;