--- a/99iusupgrade	Mon May 02 15:09:26 2011 +0200
+++ b/99iusupgrade	Mon May 02 16:04:27 2011 +0200
@@ -1,5 +1,5 @@
 DPkg {
-  Post-Invoke {
+  Pre-Invoke {
     "test -x /usr/sbin/apt-feed-logbuch && /usr/sbin/apt-feed-logbuch $(echo $PPID) || true";
   };
 };