diff --git a/apps/start-execution/src/start_execution.py b/apps/start-execution/src/start_execution.py
index 620a33e07..de883ab2f 100644
--- a/apps/start-execution/src/start_execution.py
+++ b/apps/start-execution/src/start_execution.py
@@ -48,7 +48,7 @@ def submit_jobs(jobs: list[dict]) -> None:
 
 
 @log_exceptions
-def lambda_handler(event: dict, _) -> None:
+def lambda_handler(event: dict, context: Any) -> None:
     pending_jobs = dynamo.jobs.get_jobs_waiting_for_execution(limit=500)
     pending_jobs = dynamo.util.convert_decimals_to_numbers(pending_jobs)
     logger.info(f'Got {len(pending_jobs)} pending jobs')