diff --git a/.github/workflows/build-cpp.yml b/.github/workflows/build-cpp.yml
index 80efe2698..76f0ec5ba 100644
--- a/.github/workflows/build-cpp.yml
+++ b/.github/workflows/build-cpp.yml
@@ -96,17 +96,17 @@ jobs:
       - name: Build
         working-directory: languages/cpp
         run: |
-          if [[ ${{ matrix.settings.os }} == 'macos-12' ]]; then
+          if [[ ${{ runner.os }} == 'macOS' ]]; then
             export DNLOHMANN_PATH=/usr/local/opt/nlohmann-json
             export DBOOST_PATH=/usr/local/opt/boost
           fi
 
-          if [[ ${{ matrix.settings.os }} == 'ubuntu-22.04' ]]; then
+          if [[ ${{ runner.os }} == 'Linux' ]]; then
             export DNLOHMANN_PATH=/usr/share/doc/nlohmann-json3-dev
             export DBOOST_PATH=/usr/share/doc/libboost-all-dev
           fi
 
-          if [[ ${{ matrix.settings.os }} == 'windows-2022' ]]; then
+          if [[ ${{ runner.os }} == 'Windows' ]]; then
             export DNLOHMANN_PATH=/c/Program\ Files/nlohmann-json
             export DBOOST_PATH=/c/Program\ Files/boost
           fi