diff --git a/app/controllers/support_controller.rb b/app/controllers/support_controller.rb
index ff4dd5e95f5..f7622722617 100644
--- a/app/controllers/support_controller.rb
+++ b/app/controllers/support_controller.rb
@@ -14,7 +14,7 @@ def admin
   def create
     if direct_message?
       create_commentaire!
-      flash.notice = "Votre message a été envoyé sur la messagerie de votre dossier."
+      flash.notice = t('.direct_message_sent')
 
       redirect_to messagerie_dossier_path(dossier)
       return
@@ -27,7 +27,7 @@ def create
 
     if @form.save
       @form.create_conversation_later
-      flash.notice = "Votre message a été envoyé."
+      flash.notice = t('.message_sent')
 
       redirect_to root_path
     else
diff --git a/config/locales/views/support/en.yml b/config/locales/views/support/en.yml
index 69852a6ecc3..ca545026a6b 100644
--- a/config/locales/views/support/en.yml
+++ b/config/locales/views/support/en.yml
@@ -68,3 +68,6 @@ en:
         question: I want to open an admin account with an Orange, Wanadoo, etc. email
       admin_autre:
         question: Other topic
+    create:
+      direct_message_sent: Your message has been sent to the mailbox in your file.
+      message_sent: Your message has been sent.
diff --git a/config/locales/views/support/fr.yml b/config/locales/views/support/fr.yml
index e3ab7a913cd..9ceaa6df660 100644
--- a/config/locales/views/support/fr.yml
+++ b/config/locales/views/support/fr.yml
@@ -69,3 +69,6 @@ fr:
         question: Je souhaite ouvrir un compte administrateur avec un email Orange, Wanadoo, etc.
       admin_autre:
         question: Autre sujet
+    create:
+      direct_message_sent: Votre message a été envoyé sur la messagerie de votre dossier.
+      message_sent: Votre message a été envoyé.