--- a/plugins/mod_auth_internal_plain.lua	Mon Dec 27 19:43:57 2010 +0500
+++ b/plugins/mod_auth_internal_plain.lua	Mon Dec 27 19:57:04 2010 +0500
@@ -66,7 +66,7 @@
 	function provider.get_sasl_handler()
 		local realm = module:get_option("sasl_realm") or module.host;
 		local getpass_authentication_profile = {
-			plain = function(username, realm)
+			plain = function(sasl, username, realm)
 				local prepped_username = nodeprep(username);
 				if not prepped_username then
 					log("debug", "NODEprep failed on username: %s", username);