diff --git a/Shorewall/Perl/Shorewall/Chains.pm b/Shorewall/Perl/Shorewall/Chains.pm
index 1ee85cd0d..7fff8b309 100644
--- a/Shorewall/Perl/Shorewall/Chains.pm
+++ b/Shorewall/Perl/Shorewall/Chains.pm
@@ -580,6 +580,8 @@ sub add_rule($$;$)
     } else {
 	push_rule( $chainref, $rule );
     }
+
+    1;
 }
 
 #