diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index de0de015eaf002d7b13284cc64316078fbfbbbc9..5c60a8c5a0b5c7cef25ca2fcbf2ac396c1b5b6b5 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -719,4 +719,5 @@ void mtu3_gadget_reset(struct mtu3 *mtu)
 	mtu->u1_enable = 0;
 	mtu->u2_enable = 0;
 	mtu->delayed_status = false;
+	mtu->test_mode = false;
 }