diff --git a/build.config.aarch64 b/build.config.aarch64
index 523bbc0449f7..7eabc9652bf5 100644
--- a/build.config.aarch64
+++ b/build.config.aarch64
@@ -2,7 +2,9 @@ ARCH=arm64
 
 CLANG_TRIPLE=aarch64-linux-gnu-
 CROSS_COMPILE=aarch64-linux-androidkernel-
+CROSS_COMPILE_COMPAT=arm-linux-androideabi-
 LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin
+LINUX_GCC_CROSS_COMPILE_COMPAT_PREBUILTS_BIN=prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin/
 
 FILES="
 arch/arm64/boot/Image.gz