diff --git a/New/Shorewall/Rules.pm b/New/Shorewall/Rules.pm
index f0ef41820..41b8a051b 100644
--- a/New/Shorewall/Rules.pm
+++ b/New/Shorewall/Rules.pm
@@ -552,7 +552,7 @@ sub setup_mac_lists( $ ) {
 
     my $maclist_hosts = find_hosts_by_option 'maclist';
 
-    for my $hostref ( $maclist_hosts ) {
+    for my $hostref ( @$maclist_hosts ) {
 	$maclist_interfaces{ $hostref->[0][0] } = 1;
     }
 
diff --git a/New/Shorewall/Tc.pm b/New/Shorewall/Tc.pm
index 6270f5f11..87a0c6928 100644
--- a/New/Shorewall/Tc.pm
+++ b/New/Shorewall/Tc.pm
@@ -194,7 +194,7 @@ sub process_tc_rule( $$$$$$$$$$ ) {
 	    validate_mark $mark;
 
 	    fatal_error 'Marks < 256 may not be set in the PREROUTING chain when HIGH_ROUTE_MARKS=Yes' 
-		if $cmd || $chain eq 'tcpre' || numeric_value( $cmd ) <= 0xFF || $config{HIGH_ROUTE_MARKS};
+		if $cmd && $chain eq 'tcpre' && numeric_value( $cmd ) < 0xFF && $config{HIGH_ROUTE_MARKS};
 	}
 
     expand_rule