diff --git a/contrib/Uwsgi.pm b/contrib/Uwsgi.pm
index 31b0466e..f4bdecd2 100644
--- a/contrib/Uwsgi.pm
+++ b/contrib/Uwsgi.pm
@@ -19,9 +19,8 @@ sub run {
 
     my $server ;
 
-
-    if ($ENV{'UWSGI_FD'}) {
-	$server = IO::Socket::UNIX->new_from_fd($ENV{'UWSGI_FD'});
+    if (exists($ENV{'UWSGI_FD'})) {
+	$server = IO::Socket::UNIX->new_from_fd($ENV{'UWSGI_FD'}, '+<');
     }
     else {	
         $server = IO::Socket::INET->new(LocalPort => $self->{port}, LocalAddr => $self->{host}, Listen => 100, ReuseAddr => 1);