diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ff0441e5..9d28b069 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -57,6 +57,8 @@ jobs:
 
     - name: check that the docs build (linux only)
       if: ${{ matrix.os == 'ubuntu-latest' }}
+      env:
+        SAS_OPENCL: none
       run: |
         make -j 4 -C doc SPHINXOPTS="-W --keep-going -n" html