diff --git a/.github/workflows/building.yml b/.github/workflows/building.yml
index 246008b..f138824 100644
--- a/.github/workflows/building.yml
+++ b/.github/workflows/building.yml
@@ -16,19 +16,23 @@ jobs:
         include:
           - name: Linux GCC
             os: ubuntu-latest
-            compiler: g++
+            compiler_c: gcc
+            compiler_cpp: g++
 
           - name: Linux Clang
             os: ubuntu-latest
-            compiler: clang++
+            compiler_c: clang
+            compiler_cpp: clang++
 
           - name: MacOS Clang
             os: macos-latest
-            compiler: clang++
+            compiler_c: clang
+            compiler_cpp: clang++
 
           - name: Windows GCC
             os: windows-latest
-            compiler: g++
+            compiler_c: gcc
+            compiler_cpp: g++
 
     steps:
       - name: Checkout
@@ -41,7 +45,7 @@ jobs:
           ninjaVersion: "^1.0"     # use most recent 1.x version
 
       - name: CMake Setup
-        run: cmake -S . -B ${{github.workspace}}/build -G Ninja -D CMAKE_CXX_COMPILER=${{matrix.compiler}} -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+        run: cmake -S . -B ${{github.workspace}}/build -G Ninja -D CMAKE_C_COMPILER=${{matrix.compiler_c}} CMAKE_CXX_COMPILER=${{matrix.compiler_cpp}} -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
 
       - name: CMake Build
         run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --target caravan