diff -p -up xymon-4.2.3/hobbitd/rrd/do_devmon.c~ xymon-4.2.3/hobbitd/rrd/do_devmon.c
--- xymon-4.2.3/hobbitd/rrd/do_devmon.c~	2008-12-01 13:53:04.000000000 +0200
+++ xymon-4.2.3/hobbitd/rrd/do_devmon.c	2009-04-02 10:40:14.000000000 +0200
@@ -70,7 +70,7 @@ int do_devmon_rrd(char *hostname, char *
 			devmon_params[numds+5] = rra4;
 			devmon_params[numds+6] = NULL;
 
-			if (devmon_tpl == NULL) devmon_tpl = setup_template(devmon_params);
+			devmon_tpl = setup_template(devmon_params);
 			goto nextline;
 		}