diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index d44092d..335065e 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -9,6 +9,7 @@ jobs:
       - name: Prepare Environment
         run: |
           python3 -m venv ~/py/
+          source ~/py/bin/activate
           pip install meson
       - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"