diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index e9a21424..8d45e478 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -179,6 +179,13 @@ jobs:
         sudo apt install locales-all
         cmake -E make_directory ${{runner.workspace}}/build
 
+    - name: Select matching C compiler
+      run: |
+        cc=${{matrix.cxx}}
+        cc=${cc/clang++/clang}
+        cc=${cc/g++/gcc}
+        echo "CC=$cc" >> "$GITHUB_ENV"
+
     - name: Configure
       working-directory: ${{runner.workspace}}/build
       env: