diff --git a/services/web/app/src/Features/Collaborators/CollaboratorsController.mjs b/services/web/app/src/Features/Collaborators/CollaboratorsController.mjs
index 102e9cca28..5c87e901d6 100644
--- a/services/web/app/src/Features/Collaborators/CollaboratorsController.mjs
+++ b/services/web/app/src/Features/Collaborators/CollaboratorsController.mjs
@@ -122,6 +122,7 @@ async function transferOwnership(req, res, next) {
       {
         allowTransferToNonCollaborators: hasAdminAccess(sessionUser),
         sessionUserId: new ObjectId(sessionUser._id),
+        ipAddress: req.ip,
       }
     )
     res.sendStatus(204)
diff --git a/services/web/app/src/Features/Collaborators/OwnershipTransferHandler.js b/services/web/app/src/Features/Collaborators/OwnershipTransferHandler.js
index b656bc6ce6..82c9c37ac7 100644
--- a/services/web/app/src/Features/Collaborators/OwnershipTransferHandler.js
+++ b/services/web/app/src/Features/Collaborators/OwnershipTransferHandler.js
@@ -15,7 +15,12 @@ module.exports = {
 }
 
 async function transferOwnership(projectId, newOwnerId, options = {}) {
-  const { allowTransferToNonCollaborators, sessionUserId, skipEmails } = options
+  const {
+    allowTransferToNonCollaborators,
+    sessionUserId,
+    skipEmails,
+    ipAddress,
+  } = options
 
   // Fetch project and user
   const [project, newOwner] = await Promise.all([
@@ -49,7 +54,7 @@ async function transferOwnership(projectId, newOwnerId, options = {}) {
     projectId,
     'transfer-ownership',
     sessionUserId,
-    '', // IP address
+    ipAddress,
     { previousOwnerId, newOwnerId }
   )
 
diff --git a/services/web/test/unit/src/Collaborators/OwnershipTransferHandlerTests.js b/services/web/test/unit/src/Collaborators/OwnershipTransferHandlerTests.js
index 46dc7eba67..3ef77e3500 100644
--- a/services/web/test/unit/src/Collaborators/OwnershipTransferHandlerTests.js
+++ b/services/web/test/unit/src/Collaborators/OwnershipTransferHandlerTests.js
@@ -261,10 +261,11 @@ describe('OwnershipTransferHandler', function () {
 
     it('should write an entry in the audit log', async function () {
       const sessionUserId = new ObjectId()
+      const ipAddress = '1.2.3.4'
       await this.handler.promises.transferOwnership(
         this.project._id,
         this.collaborator._id,
-        { sessionUserId }
+        { sessionUserId, ipAddress }
       )
       expect(
         this.ProjectAuditLogHandler.promises.addEntry
@@ -272,7 +273,7 @@ describe('OwnershipTransferHandler', function () {
         this.project._id,
         'transfer-ownership',
         sessionUserId,
-        '', // IP address
+        ipAddress,
         {
           previousOwnerId: this.user._id,
           newOwnerId: this.collaborator._id,