diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index e521ff8..5d4b3cf 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -55,7 +55,8 @@ TARGET_CUSTOM_DTBTOOL := dtbhtoolExynos
 
 # Kernel
 TARGET_KERNEL_ARCH := arm64
-TARGET_KERNEL_HEADER_ARCH := arm64
+TARGET_KERNEL_CROSS_COMPILE_PREFIX := aarch64-linux-android-
+KERNEL_TOOLCHAIN := $(BUILD_TOP)/prebuilts/gcc/$(HOST_OS)-x86/aarch64/aarch64-linux-android-4.9/bin
 TARGET_LINUX_KERNEL_VERSION := 3.18
 
 # Kernel config