diff --git a/otouto/plugins/cats.lua b/otouto/plugins/cats.lua
index 7daa660..99f6049 100755
--- a/otouto/plugins/cats.lua
+++ b/otouto/plugins/cats.lua
@@ -24,7 +24,7 @@ function cats:action(msg, config)
 
 	local str, res = HTTP.request(url)
 	if res ~= 200 then
-		utilities.send_reply(self, msg, onfig.errors.connection)
+		utilities.send_reply(self, msg, config.errors.connection)
 		return
 	end
 
diff --git a/otouto/plugins/chatter.lua b/otouto/plugins/chatter.lua
index 0a080c2..1e60875 100755
--- a/otouto/plugins/chatter.lua
+++ b/otouto/plugins/chatter.lua
@@ -6,6 +6,7 @@ local HTTP = require('socket.http')
 local URL = require('socket.url')
 local JSON = require('dkjson')
 local bindings = require('otouto.bindings')
+local utilities = require('otouto.utilities')
 
 function chatter:init(config)
 	if not config.simsimi_key then