diff --git a/bin/start_service.sh b/bin/start_service.sh
index ba3f4a4..dd39514 100755
--- a/bin/start_service.sh
+++ b/bin/start_service.sh
@@ -36,4 +36,4 @@ uv sync --frozen --project ${APP_DIR}
 source ${APP_DIR}/.venv/bin/activate
 
 # TODO: use `exec python3 ...` here?
-python3 -u -B ${APP_DIR}/src/agebd_{SVC_NAME_LOWER_UNDERSCORES}/main.py
+python3 -u -B ${APP_DIR}/src/agebd_${SVC_NAME_LOWER_UNDERSCORES}/main.py