diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 783c249f5..a67624605 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -46,7 +46,7 @@ jobs:
       with:
         script: |
          const domainCheck = require('.github/scripts/domain-check.js')
-         return domainCheck({github, context, ${{ matrix.domain }} })
+         return domainCheck({github, context, "${{ matrix.domain }}" })
     - name: Restore netlib from cache
       id: cache-lapack
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2