diff --git a/app/models/observer/ticket/article/email_signature_detection.rb b/app/models/observer/ticket/article/signature_detection.rb
similarity index 92%
rename from app/models/observer/ticket/article/email_signature_detection.rb
rename to app/models/observer/ticket/article/signature_detection.rb
index 639bb3c35..869de594e 100644
--- a/app/models/observer/ticket/article/email_signature_detection.rb
+++ b/app/models/observer/ticket/article/signature_detection.rb
@@ -2,7 +2,7 @@
 
 require 'signature_detection'
 
-class Observer::Ticket::Article::EmailSignatureDetection < ActiveRecord::Observer
+class Observer::Ticket::Article::SignatureDetection < ActiveRecord::Observer
   observe 'ticket::_article'
 
   def before_create(record)