diff --git a/src/lib/features/events/event-service.ts b/src/lib/features/events/event-service.ts
index 4923d662e06e..eb09d656329a 100644
--- a/src/lib/features/events/event-service.ts
+++ b/src/lib/features/events/event-service.ts
@@ -177,7 +177,7 @@ export default class EventService {
 
         if (params.createdBy) {
             const parsed = parseSearchOperatorValue(
-                'created_by',
+                'created_by_user_id',
                 params.createdBy,
             );
             if (parsed) queryParams.push(parsed);
diff --git a/src/test/e2e/api/admin/event-search.e2e.test.ts b/src/test/e2e/api/admin/event-search.e2e.test.ts
index 7856434c6db2..31f71876cb61 100644
--- a/src/test/e2e/api/admin/event-search.e2e.test.ts
+++ b/src/test/e2e/api/admin/event-search.e2e.test.ts
@@ -183,7 +183,7 @@ test('should filter events by created by', async () => {
     await eventService.storeEvent({
         type: FEATURE_CREATED,
         createdBy: 'admin1@example.com',
-        createdByUserId: TEST_USER_ID,
+        createdByUserId: TEST_USER_ID + 1,
         ip: '127.0.0.1',
     });
 
@@ -194,7 +194,7 @@ test('should filter events by created by', async () => {
         ip: '127.0.0.1',
     });
 
-    const { body } = await searchEvents({ createdBy: 'IS:admin2@example.com' });
+    const { body } = await searchEvents({ createdBy: `IS:${TEST_USER_ID}` });
 
     expect(body).toMatchObject({
         events: [