diff --git a/forum/__init__.py b/forum/__init__.py
index 63ea5f32..fb5dbe93 100644
--- a/forum/__init__.py
+++ b/forum/__init__.py
@@ -2,4 +2,4 @@
 Openedx forum app.
 """
 
-__version__ = "0.4.4"
+__version__ = "0.4.5"
diff --git a/forum/backends/backend.py b/forum/backends/backend.py
index c281ace2..d624f240 100644
--- a/forum/backends/backend.py
+++ b/forum/backends/backend.py
@@ -223,7 +223,9 @@ def get_commentables_counts_based_on_type(course_id: str) -> dict[str, Any]:
         raise NotImplementedError
 
     @classmethod
-    def get_user_voted_ids(cls, user_id: str, vote: str) -> list[str]:
+    def get_user_voted_ids(
+        cls, user_id: str, vote: str, course_id: Optional[str] = None
+    ) -> list[str]:
         """Get user voted ids."""
         raise NotImplementedError
 
diff --git a/forum/backends/mongodb/api.py b/forum/backends/mongodb/api.py
index 3bec9249..dcf18853 100644
--- a/forum/backends/mongodb/api.py
+++ b/forum/backends/mongodb/api.py
@@ -1159,13 +1159,20 @@ def get_commentables_counts_based_on_type(course_id: str) -> dict[str, Any]:
         return commentable_counts
 
     @classmethod
-    def get_user_voted_ids(cls, user_id: str, vote: str) -> list[str]:
+    def get_user_voted_ids(
+        cls, user_id: str, vote: str, course_id: Optional[str] = None
+    ) -> list[str]:
         """Get the IDs of the posts voted by a user."""
         if vote not in ["up", "down"]:
             raise ValueError("Invalid vote type")
 
         content_model = Contents()
-        contents = content_model.get_list()
+        content_query: dict[str, Any] = {}
+        if course_id:
+            content_query["course_id"] = str(course_id)
+        content_query[f"votes.{vote}"] = {"$in": [user_id, str(user_id)]}
+
+        contents = content_model.get_list(**content_query)
         voted_ids = []
         for content in contents:
             votes = content["votes"][vote]
@@ -1207,8 +1214,12 @@ def user_to_hash(
 
         if params.get("complete"):
             subscribed_thread_ids = cls.find_subscribed_threads(user["external_id"])
-            upvoted_ids = cls.get_user_voted_ids(user["external_id"], "up")
-            downvoted_ids = cls.get_user_voted_ids(user["external_id"], "down")
+            upvoted_ids = cls.get_user_voted_ids(
+                user["external_id"], "up", params.get("course_id")
+            )
+            downvoted_ids = cls.get_user_voted_ids(
+                user["external_id"], "down", params.get("course_id")
+            )
             hash_data.update(
                 {
                     "subscribed_thread_ids": subscribed_thread_ids,
diff --git a/forum/backends/mysql/api.py b/forum/backends/mysql/api.py
index ca3d8524..51a3342a 100644
--- a/forum/backends/mysql/api.py
+++ b/forum/backends/mysql/api.py
@@ -1132,7 +1132,9 @@ def get_threads(
         return threads
 
     @classmethod
-    def get_user_voted_ids(cls, user_id: str, vote: str) -> list[str]:
+    def get_user_voted_ids(
+        cls, user_id: str, vote: str, course_id: Optional[str] = None
+    ) -> list[str]:
         """Get the IDs of the posts voted by a user."""
         if vote not in ["up", "down"]:
             raise ValueError("Invalid vote type")
diff --git a/tests/e2e/test_users.py b/tests/e2e/test_users.py
index 893240cf..45323608 100644
--- a/tests/e2e/test_users.py
+++ b/tests/e2e/test_users.py
@@ -624,7 +624,12 @@ def test_update_user_stats(api_client: APIClient, patched_get_backend: Any) -> N
     # Sort the data for expected result (threads, responses, replies)
     expected_result = sorted(
         expected_data.values(),
-        key=lambda val: (val["threads"], val["responses"], val["replies"]),
+        key=lambda val: (
+            val["threads"],
+            val["responses"],
+            val["replies"],
+            val["username"],
+        ),
         reverse=True,
     )