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-rwxr-xr-xconfig-db/slxconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/config-db/slxconfig b/config-db/slxconfig
index 12b373e6..58a06d9f 100755
--- a/config-db/slxconfig
+++ b/config-db/slxconfig
@@ -460,7 +460,7 @@ sub changeClientInConfigDB
delete $clientData->{'remove-systems'};
}
- if (length($clientData->{mac})
+ if ($clientData->{mac}
&& $clientData->{mac} !~ m[^(?:[[:xdigit:]][[:xdigit:]]:){5}?[[:xdigit:]][[:xdigit:]]$]) {
die _tr("unknown MAC-format given, expected something like '01:02:03:04:05:06'!\n");
}