diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index 0632dbaa..eb5f4848 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -276,3 +276,6 @@ pushd /tmp \
 apt-add-repository multiverse \
     && apt-get update \
     && apt-get install -y nvidia-cuda-dev
+
+export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-3.9/lib;
+export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-3.9/include;