diff --git a/.circleci/install-mlir.sh b/.circleci/install-mlir.sh
index fcc6ba6..425e57c 100644
--- a/.circleci/install-mlir.sh
+++ b/.circleci/install-mlir.sh
@@ -9,5 +9,4 @@ cmake -G Ninja ../llvm \
    -DLLVM_ENABLE_ASSERTIONS=ON \
    -DLLVM_ENABLE_RTTI=ON
 
-export MAKEFLAGS='-j4'
-cmake --build . --target check-mlir
\ No newline at end of file
+cmake --build . --target check-mlir -- ${MAKEFLAGS}
\ No newline at end of file