diff -Nru gtkterm-0.99.5.orig/src/serie.c gtkterm-0.99.5/src/serie.c
--- gtkterm-0.99.5.orig/src/serie.c	2007-12-09 09:58:01.000000000 +0100
+++ gtkterm-0.99.5/src/serie.c	2007-12-09 10:01:54.000000000 +0100
@@ -393,6 +393,7 @@
       if(ioctl(serial_port_fd, TIOCMGET, &stat_read) == -1)
 	{
 	  i18n_perror(_("Control signals read"));
+	  Ferme_Port();
 	  return -2;
 	}