diff --git a/lib/src/client.dart b/lib/src/client.dart
index 1cfd549c5..6a35b404a 100644
--- a/lib/src/client.dart
+++ b/lib/src/client.dart
@@ -19,7 +19,6 @@
 import 'dart:async';
 import 'dart:convert';
 import 'dart:core';
-import 'dart:io';
 import 'dart:math';
 import 'dart:typed_data';
 
@@ -1683,7 +1682,7 @@ class Client extends MatrixApi {
         Logs().d('Running sync while init isn\'t done yet, dropping request');
         return;
       }
-      Object? syncError;
+      SyncConnectionException? syncError;
       await _checkSyncFilter();
       timeout ??= const Duration(seconds: 30);
       final syncRequest = sync(
@@ -1692,7 +1691,7 @@ class Client extends MatrixApi {
         timeout: timeout.inMilliseconds,
         setPresence: syncPresence,
       ).then((v) => Future<SyncUpdate?>.value(v)).catchError((e) {
-        syncError = e;
+        syncError = SyncConnectionException(e);
         return null;
       });
       _currentSyncId = syncRequest.hashCode;
@@ -1753,7 +1752,7 @@ class Client extends MatrixApi {
         Logs().w('The user has been logged out!');
         await clear();
       }
-    } on IOException catch (e, s) {
+    } on SyncConnectionException catch (e, s) {
       Logs().w('Syncloop failed: Client has not connection to the server');
       onSyncStatus.add(SyncStatusUpdate(SyncStatus.error,
           error: SdkError(exception: e, stackTrace: s)));
@@ -3122,6 +3121,11 @@ class SdkError {
   SdkError({this.exception, this.stackTrace});
 }
 
+class SyncConnectionException implements Exception {
+  final Object originalException;
+  SyncConnectionException(this.originalException);
+}
+
 class SyncStatusUpdate {
   final SyncStatus status;
   final SdkError? error;