diff --git a/cms/grading/scoring.py b/cms/grading/scoring.py
index b74782620a..df2c551e28 100644
--- a/cms/grading/scoring.py
+++ b/cms/grading/scoring.py
@@ -108,6 +108,7 @@ def task_score(
     task: Task,
     public: bool = False,
     only_tokened: bool = False,
+    submissions: list[Submission] | None = None,
 ) -> tuple[float, bool]:
     """Return the score of a contest's user on a task.
 
@@ -121,6 +122,7 @@ def task_score(
         at the results of tokened submissions (that is, the score that the user
         would obtain if all non-tokened submissions scored 0.0, or equivalently
         had not been scored yet).
+    submissions: optional preloaded list of submissions for participation.
 
     return: the score of user on task, and True if not
         all submissions of the participation in the task have been scored.
@@ -140,7 +142,9 @@ def task_score(
             "This is a programming error: users have access to all public "
             "scores regardless of token status.")
 
-    submissions = [s for s in participation.submissions
+    if submissions is None:
+        submissions = participation.submissions
+    submissions = [s for s in submissions
                    if s.task is task and s.official]
     if len(submissions) == 0:
         return 0.0, False
diff --git a/cms/server/contest/handlers/tasksubmission.py b/cms/server/contest/handlers/tasksubmission.py
index 6288f45bd2..7aed4cd4b9 100644
--- a/cms/server/contest/handlers/tasksubmission.py
+++ b/cms/server/contest/handlers/tasksubmission.py
@@ -143,9 +143,9 @@ def get(self, task_name):
         )
 
         public_score, is_public_score_partial = task_score(
-            participation, task, public=True)
+            participation, task, public=True, submissions=submissions)
         tokened_score, is_tokened_score_partial = task_score(
-            participation, task, only_tokened=True)
+            participation, task, only_tokened=True, submissions=submissions)
         # These two should be the same, anyway.
         is_score_partial = is_public_score_partial or is_tokened_score_partial
 
@@ -214,16 +214,16 @@ def add_task_score(self, participation: Participation, task: Task, data: dict):
 
         """
         # Just to preload all information required to compute the task score.
-        self.sql_session.query(Submission)\
+        submissions = self.sql_session.query(Submission)\
             .filter(Submission.participation == participation)\
             .filter(Submission.task == task)\
             .options(joinedload(Submission.token))\
             .options(joinedload(Submission.results))\
             .all()
         data["task_public_score"], public_score_is_partial = \
-            task_score(participation, task, public=True)
+            task_score(participation, task, public=True, submissions=submissions)
         data["task_tokened_score"], tokened_score_is_partial = \
-            task_score(participation, task, only_tokened=True)
+            task_score(participation, task, only_tokened=True, submissions=submissions)
         # These two should be the same, anyway.
         data["task_score_is_partial"] = \
             public_score_is_partial or tokened_score_is_partial