diff --git a/.github/workflows/osx_startup.yaml b/.github/workflows/osx_startup.yaml
index 0d215e97d85..8bd8a74b0f8 100644
--- a/.github/workflows/osx_startup.yaml
+++ b/.github/workflows/osx_startup.yaml
@@ -29,5 +29,5 @@ jobs:
         mv db_gx_rev_0141.sqlite database/universe.sqlite
       working-directory: 'galaxy root'
     - name: run tests
-      run: tox -e mulled
+      run: tox -e py37-first_startup
       working-directory: 'galaxy root'