diff --git a/app/models/observer/ticket/article/email_signature_detection.rb b/app/models/observer/ticket/article/email_signature_detection.rb
index 3f66cfe34..639bb3c35 100644
--- a/app/models/observer/ticket/article/email_signature_detection.rb
+++ b/app/models/observer/ticket/article/email_signature_detection.rb
@@ -28,6 +28,6 @@ class Observer::Ticket::Article::EmailSignatureDetection < ActiveRecord::Observe
     record.preferences[:signature_detection] = SignatureDetection.find_signature_line(user.preferences[:signature_detection], record.body)
 
     # add queue job to update current signature of user id
-    Delayed::Job.enqueue( Observer::Ticket::Article::EmailSignatureDetection::BackgroundJob.new( record.created_by_id ) )
+    Delayed::Job.enqueue( Observer::Ticket::Article::SignatureDetection::BackgroundJob.new( record.created_by_id ) )
   end
 end
diff --git a/app/models/observer/ticket/article/signature_detection/background_job.rb b/app/models/observer/ticket/article/signature_detection/background_job.rb
index 1808d0ad1..83eecbf23 100644
--- a/app/models/observer/ticket/article/signature_detection/background_job.rb
+++ b/app/models/observer/ticket/article/signature_detection/background_job.rb
@@ -1,4 +1,4 @@
-class Observer::Ticket::Article::EmailSignatureDetection::BackgroundJob
+class Observer::Ticket::Article::SignatureDetection::BackgroundJob
   def initialize(id)
     @user_id = id
   end