diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6f2f3ccb040..1e404cb277f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -92,8 +92,10 @@ jobs:
       - uses: mamba-org/setup-micromamba@v1
         with:
           environment-file: ${{ env.CONDA_ENV }}
+          environment-name: mne
           create-args: >-
             python=${{ env.PYTHON_VERSION }}
+            mamba
         if: ${{ !startswith(matrix.kind, 'pip') }}
       - run: ./tools/github_actions_dependencies.sh
       # Minimal commands on Linux (macOS stalls)