diff --git a/src/aeros_simulation/router.py b/src/aeros_simulation/router.py
index 4988e70..2645aff 100644
--- a/src/aeros_simulation/router.py
+++ b/src/aeros_simulation/router.py
@@ -330,7 +330,7 @@ async def get_ahm_metrics_controller(db_session: DbSession, metrics_in:AhmMetric
         db_session=db_session, simulation_id=metrics_in.target_simulation_id
     )
     
-    default_simulation_id = metrics_in.baseline_simulation_id if metrics_in.baseline_simulation_id else await get_default_simulation(db_session=db_session).id
+    default_simulation_id = metrics_in.baseline_simulation_id if metrics_in.baseline_simulation_id else (await get_default_simulation(db_session=db_session)).id
     
     default_simulation_result = await get_plant_calc_result(
         db_session=db_session, simulation_id=default_simulation_id