diff --git a/.github/workflows/mac-other-builds.yml b/.github/workflows/mac-other-builds.yml
index b38d2483..c3cfebff 100644
--- a/.github/workflows/mac-other-builds.yml
+++ b/.github/workflows/mac-other-builds.yml
@@ -27,7 +27,7 @@ jobs:
               -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
               -DCMAKE_CXX_STANDARD=${{matrix.std}} \
               -DCATCH_BUILD_EXTRA_TESTS=ON \
-              -CATCH_ENABLE_WERROR=OFF
+              -DCATCH_ENABLE_WERROR=OFF
 
     - name: Build
       run: cmake --build build