diff --git a/src/win/tcp.c b/src/win/tcp.c
index 59a36de0..a91c5784 100644
--- a/src/win/tcp.c
+++ b/src/win/tcp.c
@@ -577,6 +577,7 @@ int uv_tcp_listen(uv_tcp_t* handle, int backlog, uv_connection_cb cb) {
       req->accept_socket = INVALID_SOCKET;
       req->data = handle;
       req->wait_handle = INVALID_HANDLE_VALUE;
+      req->event_handle = NULL;
     }
   }
 
@@ -1040,9 +1041,11 @@ void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
   if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
     if (req->wait_handle != INVALID_HANDLE_VALUE) {
       UnregisterWait(req->wait_handle);
+      req->wait_handle = INVALID_HANDLE_VALUE;
     }
     if (req->event_handle) {
       CloseHandle(req->event_handle);
+      req->event_handle = NULL;
     }
   }