diff --git a/models/tasks.js b/models/tasks.js
index 31b6e6188..86a85d33e 100644
--- a/models/tasks.js
+++ b/models/tasks.js
@@ -683,7 +683,7 @@ const markUnDoneTasksOfArchivedUsersBacklog = async (users) => {
     const batch = firestore.batch();
     for (const user of users) {
       const tasksQuerySnapshot = await tasksModel
-        .where("assigneeId", "==", user.id)
+        .where("assignee", "==", user.id)
         .where("status", "not-in", [COMPLETED, DONE, BACKLOG])
         .get();
       tasksQuerySnapshot.forEach(async (taskDoc) => {
diff --git a/test/integration/external-accounts.test.js b/test/integration/external-accounts.test.js
index 04f2c017d..158b6bac0 100644
--- a/test/integration/external-accounts.test.js
+++ b/test/integration/external-accounts.test.js
@@ -312,15 +312,15 @@ describe("External Accounts", function () {
 
       const userId = usersFromRds[4].id;
       const task1 = {
-        assigneeId: userId,
+        assignee: userId,
         status: "ACTIVE",
       };
       const task2 = {
-        assigneeId: userId,
+        assignee: userId,
         status: "COMPLETED",
       };
       const task3 = {
-        assigneeId: userId,
+        assignee: userId,
         status: "IN_PROGRESS",
       };
       await Promise.all([tasksModel.add(task1), tasksModel.add(task2), tasksModel.add(task3)]);