--- a/check_haproxy/check_haproxy
+++ b/check_haproxy/check_haproxy
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -w
+# nagios: -epn
 #
 # Copyright (c) 2010 Stéphane Urbanovski <stephane.urbanovski@ac-nancy-metz.fr>
 #