diff --git a/.forgejo/workflows/check.yaml b/.forgejo/workflows/check.yaml
index 691ff69..c2c104d 100644
--- a/.forgejo/workflows/check.yaml
+++ b/.forgejo/workflows/check.yaml
@@ -52,4 +52,5 @@ jobs:
           python -m pip list --format=columns --disable-pip-version-check
       - name: Run pytest
         run: |
+          source .venv/bin/activate
           python -m pytest