diff --git a/Shorewall/Perl/Shorewall/Tc.pm b/Shorewall/Perl/Shorewall/Tc.pm
index 05dffdae2..f36e703eb 100644
--- a/Shorewall/Perl/Shorewall/Tc.pm
+++ b/Shorewall/Perl/Shorewall/Tc.pm
@@ -276,7 +276,7 @@ sub process_tc_rule( ) {
 
 	    if ( $config{TC_ENABLED} eq 'Internal' || $config{TC_ENABLED} eq 'Shared' ) {
 		$originalmark = join( ':', normalize_hex( $mark ), normalize_hex( $designator ) );
-		fatal_error "Unknown Class ($originalmark)}" unless ( $device = $classids{$mark} );
+		fatal_error "Unknown Class ($mark)}" unless ( $device = $classids{$mark} );
 		fatal_error "IFB Classes may not be specified in tcrules" if @{$tcdevices{$device}{redirected}};
 
 		unless ( $tcclasses{$device}{hex_value $designator}{leaf} ) {