diff -up nrpe-2.12/sample-config/nrpe.cfg.in.orig nrpe-2.12/sample-config/nrpe.cfg.in
--- nrpe-2.12/sample-config/nrpe.cfg.in.orig	2009-08-03 19:49:20.000000000 +0200
+++ nrpe-2.12/sample-config/nrpe.cfg.in	2009-08-03 19:50:43.000000000 +0200
@@ -169,8 +169,7 @@ connection_timeout=300
 # This directive allows you to include definitions from config files (with a
 # .cfg extension) in one or more directories (with recursion).
 
-#include_dir=<somedirectory>
-#include_dir=<someotherdirectory>
+include_dir=/etc/nrpe.d/