diff --git a/services/web/app/src/Features/ThirdPartyDataStore/TpdsController.js b/services/web/app/src/Features/ThirdPartyDataStore/TpdsController.js
index c114491f5e..cd9b2728e8 100644
--- a/services/web/app/src/Features/ThirdPartyDataStore/TpdsController.js
+++ b/services/web/app/src/Features/ThirdPartyDataStore/TpdsController.js
@@ -54,6 +54,7 @@ async function mergeUpdate(req, res) {
 
   const payload = {
     status: 'applied',
+    projectId: metadata.projectId.toString(),
     entityId: metadata.entityId.toString(),
     entityType: metadata.entityType,
     folderId: metadata.folderId.toString(),
diff --git a/services/web/app/src/Features/ThirdPartyDataStore/UpdateMerger.js b/services/web/app/src/Features/ThirdPartyDataStore/UpdateMerger.js
index 976c88b466..4af56e0cab 100644
--- a/services/web/app/src/Features/ThirdPartyDataStore/UpdateMerger.js
+++ b/services/web/app/src/Features/ThirdPartyDataStore/UpdateMerger.js
@@ -83,6 +83,7 @@ async function _mergeUpdate(userId, projectId, path, fsPath, source) {
       userId
     )
     return {
+      projectId,
       entityType: 'file',
       entityId: file._id,
       rev: file.rev,
@@ -97,6 +98,7 @@ async function _mergeUpdate(userId, projectId, path, fsPath, source) {
       source
     )
     return {
+      projectId,
       entityType: 'doc',
       entityId: doc._id,
       rev: doc.rev,
diff --git a/services/web/test/unit/src/ThirdPartyDataStore/TpdsControllerTests.js b/services/web/test/unit/src/ThirdPartyDataStore/TpdsControllerTests.js
index 324d052615..4f6670317c 100644
--- a/services/web/test/unit/src/ThirdPartyDataStore/TpdsControllerTests.js
+++ b/services/web/test/unit/src/ThirdPartyDataStore/TpdsControllerTests.js
@@ -10,6 +10,7 @@ const MODULE_PATH =
 describe('TpdsController', function () {
   beforeEach(function () {
     this.metadata = {
+      projectId: ObjectId(),
       entityId: ObjectId(),
       folderId: ObjectId(),
       entityType: 'doc',
@@ -74,6 +75,7 @@ describe('TpdsController', function () {
         json: payload => {
           expect(payload).to.deep.equal({
             status: 'applied',
+            projectId: this.metadata.projectId.toString(),
             entityId: this.metadata.entityId.toString(),
             folderId: this.metadata.folderId.toString(),
             entityType: this.metadata.entityType,