my %fixed_env = fix_env(%env);
is($fixed_env{PATH_INFO}, '/bar', 'check PATH_INFO');
-ok(!exists($fixed_env{SCRIPT_NAME}), 'check SCRIPT_NAME');
+ok((!exists($fixed_env{SCRIPT_NAME}) || !length($fixed_env{SCRIPT_NAME}),
+ 'check SCRIPT_NAME');
done_testing;