diff --git a/lib/helpers/account_helper.dart b/lib/helpers/account_helper.dart
index f61f8f5..400399a 100644
--- a/lib/helpers/account_helper.dart
+++ b/lib/helpers/account_helper.dart
@@ -1,5 +1,6 @@
 import 'package:comunic/helpers/api_helper.dart';
 import 'package:comunic/helpers/preferences_helper.dart';
+import 'package:comunic/helpers/websocket_helper.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/authentication_details.dart';
 import 'package:comunic/models/login_tokens.dart';
@@ -82,6 +83,9 @@ class AccountHelper {
   Future<void> signOut() async {
     await (await PreferencesHelper.getInstance()).setLoginTokens(null);
     _currentUserID = 0;
+
+    // Close current web socket
+    WebSocketHelper.close();
   }
 
   /// Create a new user account
diff --git a/lib/helpers/websocket_helper.dart b/lib/helpers/websocket_helper.dart
index b1b77e5..82eb501 100644
--- a/lib/helpers/websocket_helper.dart
+++ b/lib/helpers/websocket_helper.dart
@@ -72,6 +72,11 @@ class WebSocketHelper {
     );
   }
 
+  /// Close current WebSocket (if any)
+  static close() {
+    if (isConnected()) _ws.sink.close();
+  }
+
   /// Send a new message
   ///
   /// This method might throw an [Exception] in case of failure