diff --git a/spec/mailers/previews/expert_mailer_preview.rb b/spec/mailers/previews/expert_mailer_preview.rb
index c161114e3..dbbccdac4 100644
--- a/spec/mailers/previews/expert_mailer_preview.rb
+++ b/spec/mailers/previews/expert_mailer_preview.rb
@@ -1,4 +1,4 @@
-class AvisMailerPreview < ActionMailer::Preview
+class ExpertMailerPreview < ActionMailer::Preview
   def send_dossier_decision
     procedure = Procedure.new(libelle: 'Démarche pour faire des marches')
     dossier = Dossier.new(id: 1, procedure: procedure)