diff --git a/.github/workflows/nightly-build.yml b/.github/workflows/nightly-build.yml
index 61feb76c65..c72f0c2e0f 100644
--- a/.github/workflows/nightly-build.yml
+++ b/.github/workflows/nightly-build.yml
@@ -41,6 +41,7 @@ jobs:
 
       - name: Build LLVM and MLIR
         run: |
+          mkdir -p ./thirdparty/llvm-project/build
           pushd ./thirdparty/llvm-project/build
           cmake -G Ninja ../llvm \
             -DLLVM_ENABLE_PROJECTS=mlir \