diff --git a/backend/lcfs/web/api/user/repo.py b/backend/lcfs/web/api/user/repo.py
index 4a8f99513..eabb9911c 100644
--- a/backend/lcfs/web/api/user/repo.py
+++ b/backend/lcfs/web/api/user/repo.py
@@ -352,31 +352,46 @@ async def create_user(
     async def update_user(
         self, user: UserProfile, user_update: UserCreateSchema
     ) -> None:
+        """
+        Update an existing UserProfile with new data.
+        """
+
+        # Extract incoming data from the Pydantic schema
         user_data = user_update.model_dump()
-        updated_user_profile = UserProfile(**user_update.model_dump(exclude={"roles"}))
-        roles = user_data.pop("roles", {})
+        new_roles = user_data.pop("roles", {})
+
+        # Update basic fields directly
+        user.email = user_update.email
+        user.title = user_update.title
+        user.first_name = user_update.first_name
+        user.last_name = user_update.last_name
+        user.is_active = user_update.is_active
+        user.keycloak_email = user_update.keycloak_email
+        user.keycloak_username = user_update.keycloak_username
+        user.phone = user_update.phone
+        user.mobile_phone = user_update.mobile_phone
+
         # Find the RoleEnum member corresponding to each role
-        new_roles = [
-            role_enum for role_enum in RoleEnum if role_enum.value.lower() in roles
-        ]
+        new_role_enums = []
+        for role_str in new_roles:
+            try:
+                name_str = role_str.title()
+                role_enum = RoleEnum(name_str)
+                new_role_enums.append(role_enum)
+            except ValueError:
+                pass
+
         # Create a set for faster membership checks
         existing_roles_set = set(user.role_names)
 
-        # Update the user object with the new data
-        user.email = updated_user_profile.email
-        user.title = updated_user_profile.title
-        user.first_name = updated_user_profile.first_name
-        user.last_name = updated_user_profile.last_name
-        user.is_active = updated_user_profile.is_active
-        user.keycloak_email = updated_user_profile.keycloak_email
-        user.keycloak_username = updated_user_profile.keycloak_username
-        user.phone = updated_user_profile.phone
-        user.mobile_phone = updated_user_profile.mobile_phone
-
         if user.organization:
-            await self.update_bceid_roles(user, new_roles, existing_roles_set)
+            # BCEID logic
+            await self.update_bceid_roles(user, new_role_enums, existing_roles_set)
         else:
-            await self.update_idir_roles(user, new_roles, existing_roles_set)
+            # IDIR logic
+            await self.update_idir_roles(user, new_role_enums, existing_roles_set)
+
+        # Add the updated user to the session
         self.db.add(user)
         return user
 
@@ -672,9 +687,7 @@ async def create_login_history(self, user: UserProfile):
         self.db.add(login_history)
 
     @repo_handler
-    async def update_email(
-        self, user_profile_id: int, email: str
-    ) -> UserProfile:
+    async def update_email(self, user_profile_id: int, email: str) -> UserProfile:
         # Fetch the user profile
         query = select(UserProfile).where(
             UserProfile.user_profile_id == user_profile_id