diff --git a/hal/rtl8812a/rtl8812a_mp.c b/hal/rtl8812a/rtl8812a_mp.c
index 6cb0bfa..75217fe 100644
--- a/hal/rtl8812a/rtl8812a_mp.c
+++ b/hal/rtl8812a/rtl8812a_mp.c
@@ -600,6 +600,7 @@ void Hal_SetAntenna(PADAPTER pAdapter)
 	u8	r_rx_antenna_ofdm = 0, r_ant_select_cck_val = 0;
 	u8	chgTx = 0, chgRx = 0;
 	u32	r_ant_sel_cck_val = 0, r_ant_select_ofdm_val = 0, r_ofdm_tx_en_val = 0;
+	u32 reg0xC50 = 0;
 
 
 	p_ofdm_tx = (R_ANTENNA_SELECT_OFDM *)&r_ant_select_ofdm_val;
@@ -637,7 +638,6 @@ void Hal_SetAntenna(PADAPTER pAdapter)
 
 	switch (pAdapter->mppriv.antenna_rx)
 	{
-		u32 reg0xC50 = 0;
 		case ANTENNA_A:
 			PHY_SetBBReg(pAdapter, rRxPath_Jaguar, bMaskByte0, 0x11);	
 			PHY_SetRFReg(pAdapter, ODM_RF_PATH_B, RF_AC_Jaguar, 0xF0000, 0x1); // RF_B_0x0[19:16] = 1, Standby mode