diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 832e3992..8a9f5668 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All changes to this project will be documented in this file.
 
+## [9.10.2] - 2020-07-24
+
+(websocket client) reset WebSocketTransport onClose callback in the WebSocket destructor
+
 ## [9.10.1] - 2020-07-24
 
 (websocket server) reset client websocket callback when the connection is closed
diff --git a/ixwebsocket/IXWebSocket.cpp b/ixwebsocket/IXWebSocket.cpp
index 864482ea..94c3ecb1 100644
--- a/ixwebsocket/IXWebSocket.cpp
+++ b/ixwebsocket/IXWebSocket.cpp
@@ -46,6 +46,7 @@ namespace ix
     WebSocket::~WebSocket()
     {
         stop();
+        _ws.setOnCloseCallback(nullptr);
     }
 
     void WebSocket::setUrl(const std::string& url)
diff --git a/ixwebsocket/IXWebSocketTransport.cpp b/ixwebsocket/IXWebSocketTransport.cpp
index d95f56be..dbe7dd65 100644
--- a/ixwebsocket/IXWebSocketTransport.cpp
+++ b/ixwebsocket/IXWebSocketTransport.cpp
@@ -180,7 +180,10 @@ namespace ix
         if (readyState == ReadyState::CLOSED)
         {
             std::lock_guard<std::mutex> lock(_closeDataMutex);
-            _onCloseCallback(_closeCode, _closeReason, _closeWireSize, _closeRemote);
+            if (_onCloseCallback)
+            {
+                _onCloseCallback(_closeCode, _closeReason, _closeWireSize, _closeRemote);
+            }
             _closeCode = WebSocketCloseConstants::kInternalErrorCode;
             _closeReason = WebSocketCloseConstants::kInternalErrorMessage;
             _closeWireSize = 0;
diff --git a/ixwebsocket/IXWebSocketVersion.h b/ixwebsocket/IXWebSocketVersion.h
index 3a801255..2402ec52 100644
--- a/ixwebsocket/IXWebSocketVersion.h
+++ b/ixwebsocket/IXWebSocketVersion.h
@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "9.10.1"
+#define IX_WEBSOCKET_VERSION "9.10.2"