--- a/core/moduleapi.lua	Thu Feb 18 13:48:45 2016 +0000
+++ b/core/moduleapi.lua	Thu Feb 18 14:57:04 2016 +0100
@@ -19,7 +19,8 @@
 
 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
 local error, setmetatable, type = error, setmetatable, type;
-local ipairs, pairs, select, unpack = ipairs, pairs, select, unpack;
+local ipairs, pairs, select = ipairs, pairs, select;
+local unpack = table.unpack or unpack;
 local tonumber, tostring = tonumber, tostring;
 local require = require;