diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index 7b54631ca335384fb47cac1b8d434e8d3d4111b8..45e7d2e3b04b48c275de1701fe4ad76cde762cf3 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -92,7 +92,7 @@ static int mtu3_ep_enable(struct mtu3_ep *mep)
 				usb_endpoint_xfer_int(desc)) {
 			interval = desc->bInterval;
 			interval = clamp_val(interval, 1, 16) - 1;
-			burst = (max_packet & GENMASK(12, 11)) >> 11;
+			mult = (max_packet & GENMASK(12, 11)) >> 11;
 		}
 		break;
 	default: