diff --git a/Makefile b/Makefile
index 5bd74e7..e733262 100755
--- a/Makefile
+++ b/Makefile
@@ -1686,6 +1686,10 @@ $(MODULE_NAME)-$(CONFIG_MP_INCLUDED) += core/rtw_mp.o \
 ifeq ($(CONFIG_RTL8723B), y)
 $(MODULE_NAME)-$(CONFIG_MP_INCLUDED)+= core/rtw_bt_mp.o
 endif
+ifeq ($(CONFIG_RTL8821A), y)
+$(MODULE_NAME)-$(CONFIG_MP_INCLUDED)+= core/rtw_bt_mp.o
+endif
+
 
 obj-$(CONFIG_RTL8814AU) := $(MODULE_NAME).o
 
diff --git a/core/rtw_mp.c b/core/rtw_mp.c
index c761b0a..c883bc6 100644
--- a/core/rtw_mp.c
+++ b/core/rtw_mp.c
@@ -607,8 +607,10 @@ MPT_InitializeAdapter(
 	if (IS_HARDWARE_TYPE_8814A(pAdapter)) {
 		pHalData->BackUp_IG_REG_4_Chnl_Section[0] = (u1Byte)PHY_QueryBBReg(pAdapter, rA_IGI_Jaguar, bMaskByte0);
 		pHalData->BackUp_IG_REG_4_Chnl_Section[1] = (u1Byte)PHY_QueryBBReg(pAdapter, rB_IGI_Jaguar, bMaskByte0);
+#ifdef CONFIG_RTL8814A
 		pHalData->BackUp_IG_REG_4_Chnl_Section[2] = (u1Byte)PHY_QueryBBReg(pAdapter, rC_IGI_Jaguar2, bMaskByte0);
 		pHalData->BackUp_IG_REG_4_Chnl_Section[3] = (u1Byte)PHY_QueryBBReg(pAdapter, rD_IGI_Jaguar2, bMaskByte0);
+#endif
 	}
 
 	return	rtStatus;