diff -up ./src/SerialImp.h.lock ./src/SerialImp.h

--- ./src/SerialImp.h.lock	2010-11-09 15:59:54.891179571 +0100

+++ ./src/SerialImp.h	2010-11-09 16:01:12.257819409 +0100

@@ -158,7 +158,7 @@ struct event_info_struct

 #	endif /* CMSPAR */

 #	

 #	define DEVICEDIR "/dev/"

-#	define LOCKDIR "/var/lock"

+#	define LOCKDIR "/var/lock/serial"

 #	define LOCKFILEPREFIX "LCK.."

 #	define FHS

 #endif /* __linux__ */