diff --git a/hal/usb_halinit.c b/hal/usb_halinit.c
index 8ae7fd7..45f241f 100644
--- a/hal/usb_halinit.c
+++ b/hal/usb_halinit.c
@@ -1923,6 +1923,7 @@ static void GetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
 	switch (variable) {
 	case HW_VAR_BASIC_RATE:
 		*((u16 *)(val)) = haldata->BasicRateSet;
+		__attribute__((fallthrough));
 	case HW_VAR_TXPAUSE:
 		val[0] = rtw_read8(Adapter, REG_TXPAUSE);
 		break;