diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 25ed73c..f6884ad 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -40,8 +40,8 @@ jobs:
         run: |
           CC=$(find /usr/bin -maxdepth 1 \( -name 'clang-1[5-9]' -o -name 'clang-2[0-9]' \) 2>/dev/null | head -1)
           if [ -z "$CC" ]; then CC=/usr/bin/clang-18; fi
-          CXX="${CC}++"
-          echo "Using compiler: $CXX"
+          CXX=$(echo "$CC" | sed 's/clang-/clang++-/')
+          echo "CC=$CC CXX=$CXX"
           cmake -B build -G Ninja \
             -DCMAKE_C_COMPILER="$CC" \
             -DCMAKE_CXX_COMPILER="$CXX"