diff --git a/app/controllers/support_controller.rb b/app/controllers/support_controller.rb
index d69bb5444..b907e20a5 100644
--- a/app/controllers/support_controller.rb
+++ b/app/controllers/support_controller.rb
@@ -53,7 +53,7 @@ class SupportController < ApplicationController
       phone: params[:phone],
       text: params[:text],
       file: params[:file],
-      dossier_id: params[:dossier_id],
+      dossier_id: dossier&.id,
       browser: browser_name,
       tags: tags
     ).send_form