diff --git a/init.lua b/init.lua
index 6fb4d11..f810576 100644
--- a/init.lua
+++ b/init.lua
@@ -27,7 +27,7 @@ end
 -- convert Lua's idea of a UTF-8 char to ISO-8859-1
 
 -- first char is non-break space, 0xA0
-iso_chars=" ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+local iso_chars=" ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
 
 get_iso = function(c)
 	local hb = string.byte(c,1) or 0