diff --git a/app/models/distributed_press_publisher.rb b/app/models/distributed_press_publisher.rb
index c120811e..610d698d 100644
--- a/app/models/distributed_press_publisher.rb
+++ b/app/models/distributed_press_publisher.rb
@@ -18,9 +18,9 @@ class DistributedPressPublisher < ApplicationRecord
   before_save :update_expires_at_from_token!, :update_token_from_client!
 
   # Devuelve todos los tokens que vencen en una hora
-  scope :with_about_to_expire_tokens, -> do
+  scope :with_about_to_expire_tokens, lambda {
     where('expires_at > ? and expires_at < ?', Time.now, Time.now + 1.hour)
-  end
+  }
 
   # Al cambiar el token genera un cliente nuevo
   #