--- nagios-plugins-1.4.2/plugins-scripts/check_ntp.pl~	2006-04-11 16:29:26.000000000 +0200
+++ nagios-plugins-1.4.2/plugins-scripts/check_ntp.pl	2006-04-12 16:16:40.000000000 +0200
@@ -309,7 +309,7 @@
 				}
 			} else {
 				print "No match!\n" if $verbose;
-				$jitter = '(not parsed)';
+				$jitter = '(not parsed)' unless defined $jitter;
 			}
 			
 		}
