diff --git a/fhem/FHEM/73_km200.pm b/fhem/FHEM/73_km200.pm
index ed3b5710a..61e7f03bf 100644
--- a/fhem/FHEM/73_km200.pm
+++ b/fhem/FHEM/73_km200.pm
@@ -2342,7 +2342,7 @@ sub km200_ParseHttpResponseInit($)
 				
 				### Create message string with fixed blocksize
 				my $TempTime      = $item->{t};
-				   $TempTime      =~ s/^(.+)$/sprintf("%s%s", $1, ' 'x(20-length($1)))/e;
+				if ($TempTime) {$TempTime =~ s/^(.+)$/sprintf("%s%s", $1, ' 'x(20-length($1)))/e;} 
 				my $TempErrorCode = $item->{dcd};
 				   $TempErrorCode =~ s/^(.+)$/sprintf("%s%s", $1, ' 'x(3 -length($1)))/e;
 				my $TempAddCode   = $item->{ccd};