diff --git a/manifests/params.pp b/manifests/params.pp
index 2d230e1..c768344 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -137,7 +137,7 @@ $ne_ssl_cert_file           = "/etc/pki/tls/certs/${::fqdn}.crt.pem",
 $ne_ssl_privatekey_file     = "/etc/pki/tls/private/${::fqdn}.key.pem",
 $ne_ssl_client_certs        = '2',
 $ne_ssl_logging             = '0x00',
-$ne_nasty_metachars         = ["|`&><[]{};\n\'"],
+$ne_nasty_metachars         = ["|`&><'\\[]{};\r\n"],
 $ne_include_file            = '',
 
 # nrpe.conf