diff --git a/mobile/lib/domain/interfaces/sync_api.interface.dart b/mobile/lib/domain/interfaces/sync_api.interface.dart
index 5999be1ba8..0bb4152c65 100644
--- a/mobile/lib/domain/interfaces/sync_api.interface.dart
+++ b/mobile/lib/domain/interfaces/sync_api.interface.dart
@@ -1,7 +1,7 @@
 import 'package:immich_mobile/domain/models/sync/sync_event.model.dart';
 
 abstract interface class ISyncApiRepository {
-  Future<void> ack(String data);
+  Future<void> ack(List<String> data);
 
   Stream<List<SyncEvent>> watchUserSyncEvent();
 
diff --git a/mobile/lib/domain/services/sync_stream.service.dart b/mobile/lib/domain/services/sync_stream.service.dart
index 9a7da7921f..5ecfdcd681 100644
--- a/mobile/lib/domain/services/sync_stream.service.dart
+++ b/mobile/lib/domain/services/sync_stream.service.dart
@@ -40,9 +40,7 @@ class SyncStreamService {
           }
         }
 
-        for (final ack in acks.values) {
-          await _syncApiRepository.ack(ack);
-        }
+        await _syncApiRepository.ack(acks.values.toList());
       },
       onDone: () {
         _isUserSyncing = false;
@@ -78,9 +76,7 @@ class SyncStreamService {
           }
         }
 
-        for (final ack in acks.values) {
-          await _syncApiRepository.ack(ack);
-        }
+        await _syncApiRepository.ack(acks.values.toList());
       },
       onDone: () {
         _isAssetSyncing = false;
@@ -113,9 +109,7 @@ class SyncStreamService {
           }
         }
 
-        for (final ack in acks.values) {
-          await _syncApiRepository.ack(ack);
-        }
+        await _syncApiRepository.ack(acks.values.toList());
       },
       onDone: () {
         _isExifSyncing = false;
diff --git a/mobile/lib/infrastructure/repositories/sync_api.repository.dart b/mobile/lib/infrastructure/repositories/sync_api.repository.dart
index 206fd0917f..8e01e54b60 100644
--- a/mobile/lib/infrastructure/repositories/sync_api.repository.dart
+++ b/mobile/lib/infrastructure/repositories/sync_api.repository.dart
@@ -44,8 +44,8 @@ class SyncApiRepository implements ISyncApiRepository {
   }
 
   @override
-  Future<void> ack(String data) {
-    return _api.syncApi.sendSyncAck(SyncAckSetDto(acks: [data]));
+  Future<void> ack(List<String> data) {
+    return _api.syncApi.sendSyncAck(SyncAckSetDto(acks: data));
   }
 
   Stream<List<SyncEvent>> _getSyncStream(