diff --git a/src/win/internal.h b/src/win/internal.h
index 470aed1c..d79aa3da 100644
--- a/src/win/internal.h
+++ b/src/win/internal.h
@@ -150,6 +150,8 @@ int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info,
 int uv_tcp_duplicate_socket(uv_tcp_t* handle, int pid,
     LPWSAPROTOCOL_INFOW protocol_info);
 
+void uv_tcp_close(uv_tcp_t* tcp);
+
 
 /*
  * UDP