diff --git a/src/impl/win.cc b/src/impl/win.cc
index 889e06f1..411f9903 100644
--- a/src/impl/win.cc
+++ b/src/impl/win.cc
@@ -465,7 +465,8 @@ Serial::SerialImpl::flush ()
   if (is_open_ == false) {
     throw PortNotOpenedException ("Serial::flush");
   }
-  FlushFileBuffers (fd_);
+  PurgeComm(fd_, PURGE_RXCLEAR);
+  PurgeComm(fd_, PURGE_TXCLEAR);	
 }
 
 void