diff --git a/app/views/dossier_mailer/notify_new_answer.html.haml b/app/views/dossier_mailer/notify_new_answer.html.haml
index 1dac34790..6a1bd4f33 100644
--- a/app/views/dossier_mailer/notify_new_answer.html.haml
+++ b/app/views/dossier_mailer/notify_new_answer.html.haml
@@ -8,4 +8,4 @@
   Pour le consulter, merci de vous rendre sur
   = link_to messagerie_dossier_url(@dossier), messagerie_dossier_url(@dossier), target: '_blank', rel:'noopener'
 
-= render partial: "layouts/mailers/signature"
+= render partial: "layouts/mailers/signature", locals: { service: @service }
diff --git a/app/views/layouts/mailers/_signature.html.haml b/app/views/layouts/mailers/_signature.html.haml
index ca5ad2778..f425b70be 100644
--- a/app/views/layouts/mailers/_signature.html.haml
+++ b/app/views/layouts/mailers/_signature.html.haml
@@ -1,4 +1,7 @@
 %p
   Bonne journée,
   %br
-  L’équipe demarches-simplifiees.fr
+  - if defined?(service) && service && service.nom.present?
+    = service.nom
+  - else
+    L’équipe demarches-simplifiees.fr