diff --git a/http2/h2i/h2i.go b/http2/h2i/h2i.go
index 27e63a4c..228edf8a 100644
--- a/http2/h2i/h2i.go
+++ b/http2/h2i/h2i.go
@@ -168,7 +168,7 @@ func (app *h2i) Main() error {
 
 	app.framer = http2.NewFramer(tc, tc)
 
-	oldState, err := terminal.MakeRaw(0)
+	oldState, err := terminal.MakeRaw(int(os.Stdin.Fd()))
 	if err != nil {
 		return err
 	}