diff --git a/src/pkg/net/http/cgi/testdata/test.cgi b/src/pkg/net/http/cgi/testdata/test.cgi
index b46b1330f3..d74a70239b 100755
--- a/src/pkg/net/http/cgi/testdata/test.cgi
+++ b/src/pkg/net/http/cgi/testdata/test.cgi
@@ -8,6 +8,8 @@
 use strict;
 use Cwd;
 
+binmode STDOUT;
+
 my $q = MiniCGI->new;
 my $params = $q->Vars;