diff --git a/Makefile b/Makefile
index 0ff98b5..1d73143 100644
--- a/Makefile
+++ b/Makefile
@@ -95,7 +95,7 @@
 TARGET = aarch64-linux-gnu
 # The GCC toolchain is needed when building kvm-unit-tests as well as Linux
 # with Clang, because of lack of support for the LLVM integrated assembler.
-GCC_TOOLCHAIN_DIR = $(TOOLCHAIN_GCC_51)
+GCC_TOOLCHAIN_DIR = $(TOOLCHAIN_GCC_49)
 GCC_TOOLCHAIN_BIN = $(GCC_TOOLCHAIN_DIR)/bin/
 LLVM = "LLVM=1"
 # Some targets require additional flags to build with Clang.