diff --git a/lib/src/featherjs.dart b/lib/src/featherjs.dart
index 5623dab..3c906a4 100644
--- a/lib/src/featherjs.dart
+++ b/lib/src/featherjs.dart
@@ -44,7 +44,7 @@ class FlutterFeathersjs {
   late FlutterFeathersjsSocketio? standaloneSocketio;
 
   // current configured client
-  late String client;
+  String? client;
 
   ///Using singleton
   static final FlutterFeathersjs _flutterFeathersjs =