diff --git a/.github/workflows/cmake-single-platform.yml b/.github/workflows/cmake-single-platform.yml
index 55c366a2..24e4b579 100644
--- a/.github/workflows/cmake-single-platform.yml
+++ b/.github/workflows/cmake-single-platform.yml
@@ -71,7 +71,7 @@ jobs:
 
     - name: Configure refcnt
       # configure cmake for refcnt in dedicated build directory.
-      run: cmake -B ${{github.workspace}}/build_refcnt -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/local repo/refcnt
+      run: cmake -B ${{github.workspace}}/build_refcnt -DCMAKE_PREFIX_PATH=${{github.workspace}}/local -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/local repo/refcnt
 
     - name: Build refcnt
       run: cmake --build ${{github.workspace}}/build_refcnt --config ${{env.BUILD_TYPE}}