diff --git a/app/assets/javascripts/app/controllers/layout_ref.coffee b/app/assets/javascripts/app/controllers/layout_ref.coffee
index f4dc268e7..6b49ed6bc 100644
--- a/app/assets/javascripts/app/controllers/layout_ref.coffee
+++ b/app/assets/javascripts/app/controllers/layout_ref.coffee
@@ -2121,7 +2121,7 @@ class TwitterConversationRef extends App.ControllerContent
     open:   88
     closed: 20
 
-  maxTextLength: 140
+  maxTextLength: 280
   warningTextLength: 10
 
   constructor: ->
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
index edb39480d..42b036c6f 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
@@ -144,7 +144,7 @@ class App.TicketZoomArticleNew extends App.Controller
         attributes:        []
         internal:          false,
         features:          ['body:limit', 'body:initials']
-        maxTextLength:     140
+        maxTextLength:     280
         warningTextLength: 30
       }
     if possibleArticleType['twitter direct-message']
diff --git a/app/assets/javascripts/app/views/layout_ref/twitter_conversation.jst.eco b/app/assets/javascripts/app/views/layout_ref/twitter_conversation.jst.eco
index c909828a8..7761ae209 100644
--- a/app/assets/javascripts/app/views/layout_ref/twitter_conversation.jst.eco
+++ b/app/assets/javascripts/app/views/layout_ref/twitter_conversation.jst.eco
@@ -440,7 +440,7 @@
               </div>
               <div class="textBubble-footer">
                 <div class="textBubble-signatur"><span class="js-signature">/je</span></div>
-                <div class="textBubble-letterCount js-letterCount">140</div>
+                <div class="textBubble-letterCount js-letterCount">280</div>
               </div>
             </div>
           </div>