diff --git a/backend/app/domain/services/base/task.py b/backend/app/domain/services/base/task.py
index ea02501a..f2a05bac 100644
--- a/backend/app/domain/services/base/task.py
+++ b/backend/app/domain/services/base/task.py
@@ -20,6 +20,7 @@
 from app.domain.services.builder_and_evaluation.eval_utils.metrics_dicts import (
     meta_metrics_dict,
 )
+from app.infrastructure.models.models import AccessTypeEnum
 from app.infrastructure.repositories.dataset import DatasetRepository
 from app.infrastructure.repositories.example import ExampleRepository
 from app.infrastructure.repositories.historical_data import HistoricalDataRepository
@@ -412,7 +413,7 @@ def get_task_with_round_and_metric_data(self, task_id_or_code: Union[int, str]):
             scoring_dataset_list = []
             for dataset in datasets:
                 dataset_list.append({"id": dataset.id, "name": dataset.name})
-                if dataset.access_type == "scoring":
+                if dataset.access_type == AccessTypeEnum.scoring:
                     scoring_dataset_list.append(
                         {
                             "id": dataset.id,
diff --git a/backend/app/infrastructure/repositories/dataset.py b/backend/app/infrastructure/repositories/dataset.py
index 314be5d7..a335ade2 100644
--- a/backend/app/infrastructure/repositories/dataset.py
+++ b/backend/app/infrastructure/repositories/dataset.py
@@ -7,7 +7,7 @@
 # LICENSE file in the root directory of this source tree.
 
 from app.domain.schemas.base.dataset import UpdateDatasetInfo
-from app.infrastructure.models.models import Dataset
+from app.infrastructure.models.models import AccessTypeEnum, Dataset
 from app.infrastructure.repositories.abstract import AbstractRepository
 
 
@@ -17,7 +17,8 @@ def __init__(self) -> None:
 
     def get_scoring_datasets(self, task_id: int, dataset_name: str = None) -> dict:
         scoring_datasets = self.session.query(self.model).filter(
-            (self.model.access_type == "scoring") & (self.model.tid == task_id)
+            (self.model.access_type == AccessTypeEnum.scoring)
+            & (self.model.tid == task_id)
         )
         if dataset_name:
             scoring_datasets = scoring_datasets.filter(self.model.name == dataset_name)
@@ -33,7 +34,8 @@ def get_scoring_datasets(self, task_id: int, dataset_name: str = None) -> dict:
 
     def get_not_scoring_datasets(self, task_id: int) -> dict:
         no_scoring_datasets = self.session.query(self.model).filter(
-            (self.model.access_type != "scoring") & (self.model.tid == task_id)
+            (self.model.access_type != AccessTypeEnum.scoring)
+            & (self.model.tid == task_id)
         )
 
         jsonl_no_scoring_datasets = []
@@ -66,7 +68,7 @@ def get_order_scoring_datasets_by_task_id(self, task_id: int) -> dict:
             self.session.query(self.model)
             .order_by(self.model.id)
             .filter(self.model.tid == task_id)
-            .filter(self.model.access_type == "scoring")
+            .filter(self.model.access_type == AccessTypeEnum.scoring)
             .all()
         )
 
@@ -95,7 +97,7 @@ def get_scoring_datasets_by_task_id(self, task_id: int) -> dict:
         return (
             self.session.query(self.model.id)
             .filter(self.model.tid == task_id)
-            .filter(self.model.access_type == "scoring")
+            .filter(self.model.access_type == AccessTypeEnum.scoring)
             .all()
         )
 
@@ -114,7 +116,7 @@ def get_downstream_datasets(self, task_id: int) -> dict:
         downstream_datasets = (
             self.session.query(self.model)
             .filter(self.model.tid == task_id)
-            .filter(self.model.access_type == "scoring")
+            .filter(self.model.access_type == AccessTypeEnum.scoring)
         )
         jsonl_downstream_datasets = []
         for downstream_dataset in downstream_datasets: