diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 317f7e3..5b6ed65 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,6 +21,8 @@ jobs:
   build_windows:
     name: Build Windows
     runs-on: windows-latest
+    env:
+      LIBCLANG_PATH: c:\llvm\bin
     steps:
       - uses: actions/checkout@v2
       - run: |