diff --git a/src/lib/routes/admin-api/events.test.ts b/src/lib/routes/admin-api/events.test.ts
index 6f63decc1e..2c86514c52 100644
--- a/src/lib/routes/admin-api/events.test.ts
+++ b/src/lib/routes/admin-api/events.test.ts
@@ -121,11 +121,13 @@ test('should anonymise any PII fields, no matter the depth', async () => {
             createdBy: 'some@email.com',
             createdByUserId: TEST_USER_ID,
             data: {
-                groups: [
+                roles: [
                     {
-                        name: 'test',
-                        project: 'default',
-                        users: [{ username: testUsername }],
+                        roleId: 1,
+                        groupIds: [1, 2],
+                        // Doesn't reflect the real data structure for event here, normally a number array.
+                        // Testing PII anonymisation
+                        users: [{ id: 1, username: testUsername }],
                     },
                 ],
             },
@@ -138,7 +140,7 @@ test('should anonymise any PII fields, no matter the depth', async () => {
         .expect(200);
 
     expect(body.events.length).toBe(1);
-    expect(body.events[0].data.groups[0].users[0].username).not.toBe(
+    expect(body.events[0].data.roles[0].users[0].username).not.toBe(
         testUsername,
     );
 });
diff --git a/src/lib/services/project-service.ts b/src/lib/services/project-service.ts
index d83a2e2c76..59b323ebdb 100644
--- a/src/lib/services/project-service.ts
+++ b/src/lib/services/project-service.ts
@@ -681,9 +681,11 @@ export default class ProjectService {
                 createdBy,
                 createdByUserId,
                 data: {
-                    roleId,
-                    groups: usersAndGroups.groups.map(({ id }) => id),
-                    users: usersAndGroups.users.map(({ id }) => id),
+                    roles: {
+                        roleId,
+                        groupIds: usersAndGroups.groups.map(({ id }) => id),
+                        userIds: usersAndGroups.users.map(({ id }) => id),
+                    },
                 },
             }),
         );
@@ -711,9 +713,13 @@ export default class ProjectService {
                 createdBy,
                 createdByUserId,
                 data: {
-                    roles,
-                    groups,
-                    users,
+                    roles: roles.map((roleId) => {
+                        return {
+                            roleId,
+                            groupIds: groups,
+                            userIds: users,
+                        };
+                    }),
                 },
             }),
         );