diff --git a/Shorewall/Perl/Shorewall/Misc.pm b/Shorewall/Perl/Shorewall/Misc.pm
index f112b2fa9..ac02ed506 100644
--- a/Shorewall/Perl/Shorewall/Misc.pm
+++ b/Shorewall/Perl/Shorewall/Misc.pm
@@ -867,8 +867,10 @@ sub add_common_rules ( $ ) {
 	    }
 
 	    if ( $dbl_ipset && ! get_interface_option( $interface, 'nodbl' ) ) {
-		add_ijump_extended( $filter_table->{input_option_chain($interface)},  j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
-		add_ijump_extended( $filter_table->{output_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" ) if $dbl_type =~ /,src-dst$/;
+		add_ijump_extended( $filter_table->{input_option_chain($interface)},   j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
+		add_ijump_extended( $filter_table->{output_option_chain($interface)},  j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" ) if $dbl_type =~ /,src-dst$/;
+		add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
+		add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" ) if $dbl_type =~ /,src-dst$/;
 	    }
 	    
 	    for ( option_chains( $interface ) ) {