--- node/sbin/munin-node.orig	2012-07-24 12:45:57.000000000 +0200
+++ node/sbin/munin-node	2012-07-30 11:30:49.735734436 +0200
@@ -53,8 +53,11 @@
         $ENV{$key} =~ /^(.*)$/;
         $ENV{$key} = $1;
     }
+    # plugins run in taint mode because the uid is changed, so the path
+    # must not contain writable directories.
+    $ENV{PATH}='/bin:/sbin:/usr/bin:/usr/sbin:%%PREFIX%%/bin:%%PREFIX%%/sbin';
 
-    $0 =~ /([^\/]*)$/;
+    $0 =~ /^(.*)$/;
     $0 = $1;
 
     parse_args();