diff --git a/cw_core/lib/utils/proxy_socket/insecure.dart b/cw_core/lib/utils/proxy_socket/insecure.dart
index 6c0927409..114156fa8 100644
--- a/cw_core/lib/utils/proxy_socket/insecure.dart
+++ b/cw_core/lib/utils/proxy_socket/insecure.dart
@@ -15,13 +15,15 @@ class ProxySocketInsecure implements ProxySocket {
   ProxyAddress get address => ProxyAddress(host: socket.remoteAddress.host, port: socket.remotePort);
   
   @override
-  Future<void> close() {
+  Future<void> close() async {
+    if (_isClosed) return;
     _isClosed = true;
     return socket.close();
   }
   
   @override
-  void destroy() {
+  void destroy() async {
+    if (_isClosed) return;
     _isClosed = true;
     socket.destroy();
   }
diff --git a/cw_core/lib/utils/proxy_socket/secure.dart b/cw_core/lib/utils/proxy_socket/secure.dart
index 450753bb2..df7d34e4a 100644
--- a/cw_core/lib/utils/proxy_socket/secure.dart
+++ b/cw_core/lib/utils/proxy_socket/secure.dart
@@ -15,13 +15,15 @@ class ProxySocketSecure implements ProxySocket {
   ProxyAddress get address => ProxyAddress(host: socket.remoteAddress.host, port: socket.remotePort);
   
   @override
-  Future<void> close() {
+  Future<void> close() async {
+    if (_isClosed) return;
     _isClosed = true;
     return socket.close();
   }
   
   @override
-  void destroy() {
+  void destroy() async {
+    if (_isClosed) return;
     _isClosed = true;
     socket.destroy();
   }
diff --git a/cw_core/lib/utils/proxy_socket/socks.dart b/cw_core/lib/utils/proxy_socket/socks.dart
index 5a8845a93..4acd216c2 100644
--- a/cw_core/lib/utils/proxy_socket/socks.dart
+++ b/cw_core/lib/utils/proxy_socket/socks.dart
@@ -14,7 +14,8 @@ class ProxySocketSocks implements ProxySocket {
   ProxyAddress get address => ProxyAddress(host: socket.proxyHost, port: socket.proxyPort);
   
   @override
-  Future<void> close() {
+  Future<void> close() async {
+    if (_isClosed) return;
     _isClosed = true;
     return socket.close();
   }