diff --git a/fhem/configDB.pm b/fhem/configDB.pm
index ad9185379..9d72cc4d7 100644
--- a/fhem/configDB.pm
+++ b/fhem/configDB.pm
@@ -708,6 +708,7 @@ sub _cfgDB_Connect() {
 sub _cfgDB_InsertLine($$$$) {
 	my ($fhem_dbh, $uuid, $line, $counter) = @_;
 	my ($c,$d,$p1,$p2) = split(/ /, $line, 4);
+	Log(5,"c:$c d:$d p1:$p1 p2:$p2 l:$counter u:$uuid");
 	my $sth = $fhem_dbh->prepare('INSERT INTO fhemconfig values (?, ?, ?, ?, ?, ?)');
 	$sth->execute($c, $d, $p1, $p2, $counter, $uuid);
 	return;