--- mrtg-ping-probe.orig	2003-09-14 03:20:24.000000000 +0900
+++ mrtg-ping-probe	2009-03-10 08:01:20.000000000 +0900
@@ -284,7 +284,7 @@
 
 	# try to find packet loss
 	# ToDo: only if requested?)
-	if ($ping_output =~ m@(\d+)% (?:packet )?loss(?:$|,)@m) {
+	if ($ping_output =~ m@(\d+(?:\.\d+)?)% (?:packet )?loss(?:$|,)@m) {
 		# Unix
 		$pt{loss} = $1;
 		}