diff --git a/app/controllers/registrant/sessions_controller.rb b/app/controllers/registrant/sessions_controller.rb
index 8155ec323..ee2eabffd 100644
--- a/app/controllers/registrant/sessions_controller.rb
+++ b/app/controllers/registrant/sessions_controller.rb
@@ -41,7 +41,7 @@ class Registrant::SessionsController < Devise::SessionsController
     response = client.authenticate(
       phone: "+372#{phone}",
       message_to_display: 'Authenticating',
-      service_name: 'Testing'
+      service_name: ENV['sk_digi_doc_service_name'] || 'Testing'
     )
 
     if response.faultcode