diff --git a/Makefile b/Makefile
index 69585ae..8f82626 100755
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ EXTRA_CFLAGS += -Wno-vla -g
 #EXTRA_CFLAGS += -Wno-date-time	# Fix compile error && warning on gcc 4.9 and later
 #endif
 
-EXTRA_CFLAGS += -I$(src)/include
+EXTRA_CFLAGS += -I$(srctee)/$(src)/include
 EXTRA_LDFLAGS += --strip-all -O3
 
 ########################## WIFI IC ############################
@@ -230,10 +230,11 @@ _HAL_INTFS_FILES :=	hal/hal_intf.o \
 			hal/led/hal_$(HCI_NAME)_led.o
 
 
-EXTRA_CFLAGS += -I$(src)/platform
+EXTRA_CFLAGS += -I$(srctee)/$(src)/platform
 _PLATFORM_FILES := platform/platform_ops.o
 
-EXTRA_CFLAGS += -I$(src)/hal/btc
+EXTRA_CFLAGS += -I$(srctree)/$(src)/hal/btc
+EXTRA_CFLAGS += -I$(srctree)/$(src)/hal/phydm
 
 ########### HAL_RTL8188E #################################
 ifeq ($(CONFIG_RTL8188E), y)