diff --git a/.github/workflows/msys2-clang.yml b/.github/workflows/msys2-clang.yml
index fe6b9ba..766cd29 100644
--- a/.github/workflows/msys2-clang.yml
+++ b/.github/workflows/msys2-clang.yml
@@ -53,7 +53,7 @@ jobs:
         run: script/ci_install_deps.sh
 
       - name: Configure
-        run: cmake -DCMAKE_CXX_COMPILER=clang++ -S test -B build CMAKE_BUILD_TYPE=Debug
+        run: cmake -DCMAKE_CXX_COMPILER=clang++ -S test -B build -DCMAKE_BUILD_TYPE=Debug
 
       - name: Build
         run: cmake --build build -j ${{ steps.cores.outputs.count }}