gistfile1.pl

diff --git lib/Plack/Loader/Restarter.pm lib/Plack/Loader/Restarter.pm
index 4a79bbd..f4051be 100644
--- lib/Plack/Loader/Restarter.pm
+++ lib/Plack/Loader/Restarter.pm
@@ -23,6 +23,8 @@ sub watch {
 sub _fork_and_start {
     my($self, $server) = @_;

+    $self->{pid} = undef;
+
     my $pid = fork;
     die "Can't fork: $!" unless defined $pid;

@@ -76,6 +78,7 @@ sub run {

         $self->_kill_child;
         $self->_fork_and_start($server, $builder);
+        return unless $self->{pid};
     }
 }