diff --git a/lib/Pear/LocalLoop/Plugin/Validators.pm b/lib/Pear/LocalLoop/Plugin/Validators.pm
index ecdefb7..6722424 100644
--- a/lib/Pear/LocalLoop/Plugin/Validators.pm
+++ b/lib/Pear/LocalLoop/Plugin/Validators.pm
@@ -35,6 +35,7 @@ sub register {
     return 1 unless defined( $postcode );
     return 1 if $postcode->partial;
     return undef if $postcode->valid;
+    return 1;
   });
 
   $app->validator->add_check( number => sub {