diff --git a/Shorewall/Perl/Shorewall/Chains.pm b/Shorewall/Perl/Shorewall/Chains.pm
index d0e8a9a66..592a96e5c 100644
--- a/Shorewall/Perl/Shorewall/Chains.pm
+++ b/Shorewall/Perl/Shorewall/Chains.pm
@@ -620,6 +620,11 @@ sub insert_rule1($$$)
     $rule .= "-m comment --comment \"$comment\"" if $comment;
     $rule  = join( ' ', '-A', $rule );
 
+    if ( $number < 0 ) {
+	$chainref->{frozen}++;
+	$number = 0;
+    }
+    
     splice( @{$chainref->{rules}}, $number, 0, $rule );
 
     trace( $chainref, 'I', ++$number, $rule ) if $debug;
@@ -1040,8 +1045,8 @@ sub ensure_chain($$)
 # optional 5th argument causes long port lists to be split. The optional 6th
 # argument, if passed, gives the 0-relative index where the jump is to be inserted.
 #
-sub add_jump( $$$;$$$$ ) {
-    my ( $fromref, $to, $goto_ok, $predicate, $expandports, $index, $freeze ) = @_;
+sub add_jump( $$$;$$$ ) {
+    my ( $fromref, $to, $goto_ok, $predicate, $expandports, $index ) = @_;
 
     $predicate |= '';
 
@@ -1074,8 +1079,6 @@ sub add_jump( $$$;$$$$ ) {
     } else {
 	add_rule ($fromref, join( '', $predicate, "-$param $to" ), $expandports || 0 );
     }
-
-    $fromref->{frozen}++ if $freeze;
 }
 
 #
diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 314b178fc..b4b681dd9 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -1874,20 +1874,20 @@ sub generate_matrix() {
 
 	if ( $zoneref->{options}{in}{blacklist} ) {
 	    my $blackref = $filter_table->{blacklst};
-	    add_jump $frwd_ref , $blackref, 0, $state, 0, undef, 1;
-	    add_jump ensure_filter_chain( rules_chain( $zone, firewall_zone ), 1 ) , $blackref , 0, $state, 0, 0, 1;
+	    add_jump $frwd_ref , $blackref, 0, $state, 0, -1;
+	    add_jump ensure_filter_chain( rules_chain( $zone, firewall_zone ), 1 ) , $blackref , 0, $state, 0, -1;
 	}
 
 	if ( $zoneref->{options}{out}{blacklist} ) {
 	    my $blackref = $filter_table->{blackout};
-	    add_jump ensure_filter_chain( rules_chain( firewall_zone, $zone ), 1 ) , $blackref , 0, $state, 0, 0, 1;
+	    add_jump ensure_filter_chain( rules_chain( firewall_zone, $zone ), 1 ) , $blackref , 0, $state, 0, -1;
 
 	    for my $zone1 ( @zones ) {
 		my $ruleschain    = rules_chain( $zone1, $zone );
 		my $ruleschainref = $filter_table->{$ruleschain};
 
 		if ( $zone ne $zone1 || ( $ruleschainref && $ruleschainref->{referenced} ) ) {
-		    add_jump( ensure_filter_chain( $ruleschain, 1 ), $blackref, 0, $state, 0, 0 , 1 );
+		    add_jump( ensure_filter_chain( $ruleschain, 1 ), $blackref, 0, $state, 0, -1 );
 		} 
 	    }
 	}