Index: Shorewall/Rules.pm
===================================================================
--- Shorewall/Rules.pm	(revision 9467)
+++ Shorewall/Rules.pm	(working copy)
@@ -1930,6 +1930,7 @@
 			} else {
 			    $chain3ref  = $filter_table->{FORWARD};
 			    $match_source_dev = match_source_dev $interface;
+			    move_rules $filter_table->{forward_chain $interface}, $chainref;
 			}
 
 			for my $hostref ( @$arrayref ) {