diff --git a/.github/workflows/build-cpp.yml b/.github/workflows/build-cpp.yml
index fdef9ba63..7fdd16e0c 100644
--- a/.github/workflows/build-cpp.yml
+++ b/.github/workflows/build-cpp.yml
@@ -166,7 +166,7 @@ jobs:
           mkdir build
           cd build
           $env:DTARGET="include\bitwarden_c.lib"
-          cmake .. -DTARGET="%DTARGET%" -DCMAKE_TOOLCHAIN_FILE="%VCPKG_INSTALLATION_ROOT%\scripts\buildsystems\vcpkg.cmake"
+          cmake .. -DTARGET="%DTARGET%" -DCMAKE_TOOLCHAIN_FILE="${{ env.VCPKG_INSTALLATION_ROOT }}\scripts\buildsystems\vcpkg.cmake"
           cmake --build . --config Release
         shell: pwsh