diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 055b84adedac..f10bd970d50a 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -2386,6 +2386,7 @@ static struct usbtest_info gz_info = {
 	.name		= "Linux gadget zero",
 	.autoconf	= 1,
 	.ctrl_out	= 1,
+	.iso		= 1,
 	.alt		= 0,
 };