diff --git a/drivers/staging/rtl8723bs/hal/sdio_halinit.c b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
index c9cd6578f7f8..535cd439121d 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_halinit.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
@@ -380,8 +380,8 @@ static void _InitWMACSetting(struct adapter *padapter)
 	rtw_write32(padapter, REG_RCR, pHalData->ReceiveConfig);
 
 	/*  Accept all multicast address */
-	rtw_write32(padapter, REG_MAR, 0xFFFFFFFF);
-	rtw_write32(padapter, REG_MAR + 4, 0xFFFFFFFF);
+	rtw_write32(padapter, REG_MAR, 0xFFFFFFFF);	/* Offset 0x0620-0x0623 */
+	rtw_write32(padapter, REG_MAR + 4, 0xFFFFFFFF);	/* Offset 0x0624-0x0627 */
 
 	/*  Accept all data frames */
 	value16 = 0xFFFF;