diff --git a/deps/llvm.mk b/deps/llvm.mk

index 4f350aa443..3449605f1f 100644

--- a/deps/llvm.mk

+++ b/deps/llvm.mk

@@ -70,6 +70,7 @@ ifeq ($(USE_POLLY_ACC),1)

 LLVM_CMAKE += -DPOLLY_ENABLE_GPGPU_CODEGEN=ON

 endif

 LLVM_CMAKE += -DLLVM_TOOLS_INSTALL_DIR=$(shell $(JULIAHOME)/contrib/relative_path.sh $(build_prefix) $(build_depsbindir))

+LLVM_CMAKE += -DLLVM_LIBDIR_SUFFIX=64

 LLVM_CMAKE += -DLLVM_BINDINGS_LIST="" -DLLVM_INCLUDE_DOCS=Off -DLLVM_ENABLE_TERMINFO=Off -DHAVE_HISTEDIT_H=Off -DHAVE_LIBEDIT=Off

 ifeq ($(LLVM_ASSERTIONS), 1)

 LLVM_CMAKE += -DLLVM_ENABLE_ASSERTIONS:BOOL=ON