diff --git a/resources/check_resmon_metric b/resources/check_resmon_metric index dda68457d8e029137c8c74b567a812c1264f06b2..1171f1db76a6f9b0eaeb647bfb217f22ce1def5b 100755 --- a/resources/check_resmon_metric +++ b/resources/check_resmon_metric @@ -374,6 +374,9 @@ eval { } if (defined $regex) { + if (!defined($value)) { + $value = ''; + } if ($value =~ /$regex/) { $state = "OK"; } else {