diff --git a/config/initializers/active_storage.rb b/config/initializers/active_storage.rb
index 620e3f022d4..a85267e9acf 100644
--- a/config/initializers/active_storage.rb
+++ b/config/initializers/active_storage.rb
@@ -52,7 +52,7 @@ def endpoint_url(endpoint, interface)
 
     def publicize(url)
       search = %r{^https://[^/]+/}
-      replace = "#{ENV['DS_PROXY_URL']}/"
+      replace = "https://dev.demarches-simplifiees.fr/upstream/"
       url.gsub(search, replace)
     end
   end
@@ -75,7 +75,7 @@ def endpoint_url(endpoint, interface)
 
     def publicize(url)
       search = %r{^https://[^/]+/}
-      replace = "#{ENV['DS_PROXY_URL']}/"
+      replace = "https://dev.demarches-simplifiees.fr/upstream/"
       url.gsub(search, replace)
     end
   end