diff --git a/code/class.lua b/code/class.lua
index 76a7e7d..56858f3 100644
--- a/code/class.lua
+++ b/code/class.lua
@@ -9,8 +9,8 @@ end
 function getAncestors(self)
 	local family = self
 	local list = {}
-	while family.__index ~= nil and family.__index ~= family do
-		family = family.__index
+	while family ~= nil do
+		family = getmetatable(family)
 		table.insert(list,family)
 	end
 	return list