diff --git a/base/llvm/build.sh b/base/llvm/build.sh
index 21d0cd9..c349a9a 100644
--- a/base/llvm/build.sh
+++ b/base/llvm/build.sh
@@ -40,6 +40,8 @@ build() {
 	cmake -G Ninja -Wno-dev \
 		-DCMAKE_C_COMPILER_TARGET=$TRIPLE \
 		-DCMAKE_CXX_COMPILER_TARGET=$TRIPLE \
+		-DCMAKE_C_COMPILER=$CC \
+		-DCMAKE_CXX_COMPILER=$CXX \
 		-DCMAKE_INSTALL_PREFIX=/usr \
 		-DCMAKE_BUILD_TYPE=Release \
 		-DLLVM_VERSION_SUFFIX="" \