diff --git a/web/documentserver-example/ruby/app/controllers/home_controller.rb b/web/documentserver-example/ruby/app/controllers/home_controller.rb
index a9d11b2bb..9982098a1 100755
--- a/web/documentserver-example/ruby/app/controllers/home_controller.rb
+++ b/web/documentserver-example/ruby/app/controllers/home_controller.rb
@@ -342,7 +342,10 @@ def download
   # Save Copy as...
   def saveas
     body = JSON.parse(request.body.read)
-    file_url = body['url']
+    file_url = body['url'].sub(
+      HomeController.config_manager.document_server_public_uri.to_s,
+      HomeController.config_manager.document_server_private_uri.to_s
+    )
     title = body['title']
     file_name = DocumentHelper.get_correct_name(title, nil)
     extension = File.extname(file_name).downcase
@@ -377,7 +380,7 @@ def saveas
     render(plain: "{\"file\" : \"#{file_name}\"}")
     nil
   rescue StandardError => e
-    render(plain: "{\"error\":1, \"message\": \"#{e.message}\"}")
+    render(plain: JSON.generate({ error: 1, message: e.message }))
     nil
   end