--- chkrootkit.orig	2009-07-30 09:10:54.000000000 -0500
+++ chkrootkit	2013-12-11 13:23:15.000000000 -0600
@@ -10,6 +10,8 @@
 # (c)1997-2009 Nelson Murilo, Pangeia Informatica, AMS Foundation and others.
 # All rights reserved
 
+cd "$(dirname "$0")"
+
 ### workaround for some Bourne shell implementations
 unalias login > /dev/null 2>&1
 unalias ls > /dev/null 2>&1