--- a/plugins/muc/mod_muc.lua	Thu Aug 29 11:59:27 2013 +0100
+++ b/plugins/muc/mod_muc.lua	Fri Aug 30 14:10:51 2013 +0100
@@ -6,6 +6,7 @@
 -- COPYING file in the source package for more information.
 --
 
+local array = require "util.array";
 
 if module:get_host_type() ~= "component" then
 	error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);