--- Locale-US/t/1.t
+++ Locale-US/t/1.t
@@ -6,7 +6,7 @@
 # change 'tests => 1' to 'tests => last_test_to_print';
 
 use Test;
-BEGIN { plan tests => 3 };
+BEGIN { plan tests => 4 };
 use Locale::US;
 ok(1); # If we made it this far, we're ok.
 
@@ -32,4 +32,8 @@ ok (
     $u->{state2code}{$state}, $code
    );
 
-
+# rt #56989 Locale::US fails after second call to new
+my $v = Locale::US->new();
+ok (
+    $v->{code2state}{$code}, $state
+);