diff --git a/ios/Runner/Sites.swift b/ios/Runner/Sites.swift
index eccb4d4..a411d84 100644
--- a/ios/Runner/Sites.swift
+++ b/ios/Runner/Sites.swift
@@ -78,14 +78,14 @@ class Sites {
     }
 }
 
-class SiteUpdater: NSObject, FlutterStreamHandler {
+class SiteUpdater: NSObject, FlutterStreamHandler, @unchecked Sendable {
     private var eventSink: FlutterEventSink?
     private var eventChannel: FlutterEventChannel
     private var site: Site
     private var notification: Any?
     public var startFunc: (() -> Void)?
-    private var configFd: Int32? = nil
-    private var configObserver: (any DispatchSourceFileSystemObject)? = nil
+    private var configFd: Int32?
+    private var configObserver: (any DispatchSourceFileSystemObject)?
 
     init(messenger: any FlutterBinaryMessenger, site: Site) {
         do {