diff --git a/init.lua b/init.lua
index 92e2a80..5297271 100644
--- a/init.lua
+++ b/init.lua
@@ -6,7 +6,7 @@ else
 	S = function ( s ) return s end
 end
 
-returnmirror = {}
+local returnmirror = {}
 returnmirror.cost_teleport = 200
 returnmirror.cost_set = 20