diff --git a/lib/Sys/Linux/Namespace.pm b/lib/Sys/Linux/Namespace.pm
index 969976e..ae0b278 100644
--- a/lib/Sys/Linux/Namespace.pm
+++ b/lib/Sys/Linux/Namespace.pm
@@ -124,12 +124,10 @@ sub run {
   croak "Run must be given a codref to run" unless ref $code eq "CODE";
 
   $self->pre_setup(%args);
-  $self->_subprocess(sub {
+  return $self->_subprocess(sub {
     $self->post_setup(%args);
     $code->(%args);
   }, %args);
-
-  return 1;
 }
 
 1;
diff --git a/t/02-namespace.t b/t/02-namespace.t
index 7dd6331..5a9a8d9 100644
--- a/t/02-namespace.t
+++ b/t/02-namespace.t
@@ -5,11 +5,9 @@ BEGIN {
 use Test::More;
 use Test::SharedFork;
 
-# test 1
 use Sys::Linux::Namespace;
 $Sys::Linux::Namespace::debug = 1;
 
-# test 2
 SKIP: {
   skip "Need to be root to run test", 5 unless $< == 0;
   ok(my $namespace = Sys::Linux::Namespace->new(private_tmp => 1), "Setup object");
@@ -25,7 +23,8 @@ SKIP: {
     is_deeply([grep {m|/proc/\d+/|} glob '/proc/*/'], ['/proc/1/'], "Only /proc/1/ exists");
   });
 
-  ok($ret, "run code in sandbox");
+  # namespace process exited cleanly
+  ok($ret == 0, "run code in sandbox");
 
   alarm(5);
   $pid_ns->run(code => sub {