diff --git a/miku/plugins/justkitten.lua b/miku/plugins/justkitten.lua
index f5dc773..6d04995 100644
--- a/miku/plugins/justkitten.lua
+++ b/miku/plugins/justkitten.lua
@@ -20,7 +20,7 @@ function jk:action(msg, config)
   local random_pic = math.random(#jk_pics)
   utilities.send_typing(msg.chat.id, 'upload_photo')
   local file = JK_URL..jk_pics[random_pic]
-  utilities.send_photo(msg.chat.id, file)
+  utilities.send_photo(msg.chat.id, file, nil, msg.message_id)
 end
 
 return jk
\ No newline at end of file
diff --git a/miku/plugins/plugins.lua b/miku/plugins/plugins.lua
index 85a680e..1d50e89 100644
--- a/miku/plugins/plugins.lua
+++ b/miku/plugins/plugins.lua
@@ -5,9 +5,9 @@ local bot = require('miku.bot')
 function plugin_manager:init(config)
 	plugin_manager.triggers = {
     "^/plugins$",
-    "^/plugins? (enable) ([%w_%.%-]+) (chat) (%d+)$",
+    "^/plugins? (enable) ([%w_%.%-]+) (chat) (-?%d+)$",
     "^/plugins? (enable) ([%w_%.%-]+) (chat)$",
-	"^/plugins? (disable) ([%w_%.%-]+) (chat) (%d+)$",
+	"^/plugins? (disable) ([%w_%.%-]+) (chat) (-?%d+)$",
 	"^/plugins? (disable) ([%w_%.%-]+) (chat)$",
     "^/plugins? (enable) ([%w_%.%-]+)$",
     "^/plugins? (disable) ([%w_%.%-]+)$",
diff --git a/miku/plugins/twitter.lua b/miku/plugins/twitter.lua
index adc4b4b..d5eaa7d 100644
--- a/miku/plugins/twitter.lua
+++ b/miku/plugins/twitter.lua
@@ -50,7 +50,7 @@ function get_tweet(response)
   end
   local header = '<b>Tweet von '..full_name..'</b> (<a href="https://twitter.com/'..user_name..'">@' ..user_name..'</a>'..verified..'):'
   local text = response.full_text
-  local tweet_link = '\n<a href= "https://twitter.com/statuses/'..response.id_str..'">Tweet aufrufen</a>'
+  local tweet_link = '\n<a href= "https://twitter.com/'..user_name..'/status/'..response.id_str..'">Tweet aufrufen</a>'
   
   -- favorites & retweets
   if response.retweet_count == 0 then
diff --git a/miku/plugins/youtube_dl.lua b/miku/plugins/youtube_dl.lua
index 03275ff..ce0bcef 100644
--- a/miku/plugins/youtube_dl.lua
+++ b/miku/plugins/youtube_dl.lua
@@ -192,7 +192,7 @@ function youtube_dl:action(msg, config, matches)
 	  utilities.edit_message(msg.chat.id, first_msg.result.message_id, '<b>Die MP3 überschreitet die Grenze von 50 MB!</b>', nil, 'HTML')
 	  return
 	end
-	utilities.send_audio(msg.chat.id, file, msg.message_id)
+	utilities.send_audio(msg.chat.id, file)
 	return
   end
 end