diff --git a/services/web/app/src/Features/Project/ProjectDeleter.js b/services/web/app/src/Features/Project/ProjectDeleter.js
index 9e90852b7a..3f84c37289 100644
--- a/services/web/app/src/Features/Project/ProjectDeleter.js
+++ b/services/web/app/src/Features/Project/ProjectDeleter.js
@@ -180,6 +180,13 @@ async function deleteProject(project_id, options = {}) {
         deletedProjectReadOnlyIds: project.readOnly_refs,
         deletedProjectReadWriteTokenAccessIds:
           project.tokenAccessReadAndWrite_refs,
+        deletedProjectOverleafId: project.overleaf
+          ? project.overleaf.id
+          : undefined,
+        deletedProjectOverleafHistoryId:
+          project.overleaf && project.overleaf.history
+            ? project.overleaf.history.id
+            : undefined,
         deletedProjectReadOnlyTokenAccessIds: project.tokenAccessReadOnly_refs,
         deletedProjectReadWriteToken: project.tokens.readAndWrite,
         deletedProjectReadOnlyToken: project.tokens.readOnly,
diff --git a/services/web/app/src/models/DeletedProject.js b/services/web/app/src/models/DeletedProject.js
index ebb37a46ce..f961c69ebf 100644
--- a/services/web/app/src/models/DeletedProject.js
+++ b/services/web/app/src/models/DeletedProject.js
@@ -19,7 +19,9 @@ const DeleterDataSchema = new Schema({
   deletedProjectReadOnlyTokenAccessIds: [{ type: ObjectId, ref: 'User' }],
   deletedProjectReadWriteToken: { type: String },
   deletedProjectReadOnlyToken: { type: String },
-  deletedProjectLastUpdatedAt: { type: Date }
+  deletedProjectLastUpdatedAt: { type: Date },
+  deletedProjectOverleafId: { type: Number },
+  deletedProjectOverleafHistoryId: { type: Number }
 })
 
 const DeletedProjectSchema = new Schema(
diff --git a/services/web/scripts/backfill_deleted_project_ids.js b/services/web/scripts/backfill_deleted_project_ids.js
index b9f5fbb1c4..c36cf8a404 100644
--- a/services/web/scripts/backfill_deleted_project_ids.js
+++ b/services/web/scripts/backfill_deleted_project_ids.js
@@ -1,54 +1,57 @@
 const { DeletedProject } = require('../app/src/models/DeletedProject')
 const Async = require('async')
 
-DeletedProject.find(
-  {},
-  { 'project._id': 1, 'project.owner_ref': 1 },
-  (error, deletedProjects) => {
-    if (error) {
-      throw error
-    }
-
-    Async.eachLimit(
-      deletedProjects,
-      10,
-      (deletedProject, cb) => {
-        if (deletedProject.project) {
-          const src = deletedProject.project
-          DeletedProject.findOneAndUpdate(
-            { _id: deletedProject._id },
-            {
-              $set: {
-                'deleterData.deletedProjectId': src._id,
-                'deleterData.deletedProjectOwnerId': src.owner_ref,
-                'deleterData.deletedProjectCollaboratorIds':
-                  src.collaberator_refs,
-                'deleterData.deletedProjectReadOnlyIds': src.readOnly_refs,
-                'deleterData.deletedProjectReadWriteToken': src.tokens
-                  ? src.tokens.readAndWrite
-                  : undefined,
-                'deleterData.deletedProjectReadOnlyToken': src.tokens
-                  ? src.tokens.readOnly
-                  : undefined,
-                'deleterData.deletedProjectReadWriteTokenAccessIds':
-                  src.tokenAccessReadOnly_refs,
-                'deleterData.deletedProjectReadOnlyTokenAccessIds':
-                  src.tokenAccessReadAndWrite_refs,
-                'deleterData.deletedProjectLastUpdatedAt': src.lastUpdated
-              }
-            },
-            cb
-          )
-        } else {
-          cb()
-        }
-      },
-      err => {
-        if (err) {
-          throw err
-        }
-        process.exit(0)
-      }
-    )
+DeletedProject.find({}, (error, deletedProjects) => {
+  if (error) {
+    throw error
   }
-)
+
+  Async.eachLimit(
+    deletedProjects,
+    10,
+    (deletedProject, cb) => {
+      if (deletedProject.project) {
+        const src = deletedProject.project
+        DeletedProject.findOneAndUpdate(
+          { _id: deletedProject._id },
+          {
+            $set: {
+              'deleterData.deletedProjectId': src._id,
+              'deleterData.deletedProjectOwnerId': src.owner_ref,
+              'deleterData.deletedProjectCollaboratorIds':
+                src.collaberator_refs,
+              'deleterData.deletedProjectReadOnlyIds': src.readOnly_refs,
+              'deleterData.deletedProjectReadWriteToken': src.tokens
+                ? src.tokens.readAndWrite
+                : undefined,
+              'deleterData.deletedProjectOverleafId': src.overleaf
+                ? src.overleaf.id
+                : undefined,
+              'deleterData.deletedProjectOverleafHistoryId':
+                src.overleaf && src.overleaf.history
+                  ? src.overleaf.history.id
+                  : undefined,
+              'deleterData.deletedProjectReadOnlyToken': src.tokens
+                ? src.tokens.readOnly
+                : undefined,
+              'deleterData.deletedProjectReadWriteTokenAccessIds':
+                src.tokenAccessReadOnly_refs,
+              'deleterData.deletedProjectReadOnlyTokenAccessIds':
+                src.tokenAccessReadAndWrite_refs,
+              'deleterData.deletedProjectLastUpdatedAt': src.lastUpdated
+            }
+          },
+          cb
+        )
+      } else {
+        cb()
+      }
+    },
+    err => {
+      if (err) {
+        throw err
+      }
+      process.exit(0)
+    }
+  )
+})
diff --git a/services/web/test/unit/src/Project/ProjectDeleterTests.js b/services/web/test/unit/src/Project/ProjectDeleterTests.js
index 030082478e..f7dab8324e 100644
--- a/services/web/test/unit/src/Project/ProjectDeleterTests.js
+++ b/services/web/test/unit/src/Project/ProjectDeleterTests.js
@@ -27,6 +27,12 @@ describe('ProjectDeleter', () => {
         readOnly: 'wombat',
         readAndWrite: 'potato'
       },
+      overleaf: {
+        id: 1234,
+        history: {
+          id: 5678
+        }
+      },
       name: 'a very scientific analysis of spooky ghosts'
     }
 
@@ -238,6 +244,8 @@ describe('ProjectDeleter', () => {
           .tokenAccessReadOnly_refs,
         deletedProjectReadWriteToken: this.project.tokens.readAndWrite,
         deletedProjectReadOnlyToken: this.project.tokens.readOnly,
+        deletedProjectOverleafId: this.project.overleaf.id,
+        deletedProjectOverleafHistoryId: this.project.overleaf.history.id,
         deletedProjectLastUpdatedAt: this.project.lastUpdated
       }