diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a157a1faa..b8c79a526 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -43,6 +43,7 @@ jobs:
       CACHE_PREFIX: ${{ matrix.distro }}
       # perform full clang-tidy check only on manual trigger (workflow_dispatch), PRs do check changed files, otherwise nothing
       CLANG_TIDY_BASE_REF: ${{ github.event_name != 'workflow_dispatch' && (github.base_ref || github.ref) || '' }}
+      CLANG_TIDY: ${{ matrix.env.CLANG_TIDY }}
 
     name: "${{ matrix.distro }} • ogre ${{ matrix.ogre }} • Qt ${{ matrix.qt }}${{ matrix.env.CLANG_TIDY && (github.event_name != 'workflow_dispatch' && ' • clang-tidy (delta)' || ' • clang-tidy (all)') || '' }}"
     runs-on: ubuntu-latest