--- uisp-20050207/src/Serial.C	2004-01-26 20:55:51.000000000 +0100
+++ uisp-20050207+flush/src/Serial.C	2005-04-22 18:11:11.000000000 +0200
@@ -173,6 +173,8 @@
     throw Error_C("Can not clear nonblock flag");
   }
 #endif
+  /* Flush input */
+  tcflush(serline, TCIFLUSH);
 }
 
 TSerial::~TSerial(){