diff --git a/app/models/external_link.rb b/app/models/external_link.rb
index 6ae5709..82978f5 100644
--- a/app/models/external_link.rb
+++ b/app/models/external_link.rb
@@ -6,7 +6,7 @@ class ExternalLink < ActiveRecord::Base
     "Lien externe : #{self.url}"
   end
   
-  def cible_url(lang)
+  def cible_url(lang="fr")
 
     self.url