t/git-http-backend.t | 2 +-

diff --git a/t/git-http-backend.t b/t/git-http-backend.t
index 1d9bb9f3230b0d70a3568c54f488e047e95c7599..c2a0465335c5b7cf94ffa782553995703b7dd50d 100644
--- a/t/git-http-backend.t
+++ b/t/git-http-backend.t
@@ -44,7 +44,7 @@ };
 
 {
 	ok($sock, 'sock created');
-	my $cmd = [ $httpd, "--stdout=$out", "--stderr=$err", $psgi ];
+	my $cmd = [ $httpd, '-W0', "--stdout=$out", "--stderr=$err", $psgi ];
 	ok(defined($pid = spawn_listener(undef, $cmd, [$sock])),
 	   'forked httpd process successfully');
 }