diff --git a/backend/app/infrastructure/repositories/model.py b/backend/app/infrastructure/repositories/model.py
index 7013bb5b..177dc720 100644
--- a/backend/app/infrastructure/repositories/model.py
+++ b/backend/app/infrastructure/repositories/model.py
@@ -40,9 +40,9 @@ def get_model_in_the_loop(self, task_id: int) -> dict:
         return models_in_the_loop
 
     def update_light_model(self, id: int, light_model: str) -> None:
+        light_model = f"{light_model}/model/single_evaluation"
         with self.session as session:
             instance = session.query(self.model).filter(self.model.id == id).first()
-            light_model = f"{light_model}/model/single_evaluation"
             instance.light_model = light_model
             instance.is_in_the_loop = 0
             session.flush()