--- a/plugins/mod_c2s.lua	Fri Apr 01 18:56:26 2016 +0200
+++ b/plugins/mod_c2s.lua	Sun Apr 03 15:52:40 2016 +0200
@@ -179,6 +179,9 @@
 			sm_destroy_session(session, reason);
 			conn:close();
 		end
+	else
+		local reason = (reason and (reason.name or reason.text or reason.condition)) or reason;
+		sm_destroy_session(session, reason);
 	end
 end