diff --git a/ansible/roles/honcho/templates/honcho-deriver.container.j2 b/ansible/roles/honcho/templates/honcho-deriver.container.j2
index c3259a4..92aa10b 100644
--- a/ansible/roles/honcho/templates/honcho-deriver.container.j2
+++ b/ansible/roles/honcho/templates/honcho-deriver.container.j2
@@ -20,7 +20,8 @@ Network={{ honcho_network_name }}
 # Run the deriver script instead of the FastAPI server. The deriver
 # polls the queue and processes work in a loop. Number of concurrent
 # workers controlled via DERIVER_WORKERS.
-Exec=/app/.venv/bin/python /app/src/deriver/deriver.py
+WorkingDir=/app
+Exec=/app/.venv/bin/python -m src.deriver.deriver
 
 # -- Database ---------------------------------------------------------------
 Environment=DB_CONNECTION_URI=postgresql+psycopg://{{ honcho_db_user }}:{{ honcho_db_password }}@{{ honcho_postgres_container_name }}:5432/{{ honcho_db_name }}