diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 9cbbca94af447389651b690493e35f7106d94d24..ef7866dce7456e7919a25ed32f3715e283548b4d 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -36,7 +36,7 @@ class ApplicationController < ActionController::Base
     str = "event=request_with_user controller=#{self.class} action=#{self.action_name} "
     if current_user
       str << "uid=#{current_user.id} "
-      str << "user_created_at=#{current_user.created_at.to_date.to_s} " if current_user.created_at
+      str << "user_created_at='#{current_user.created_at.to_date.to_s}' user_created_at_unix=#{current_user.created_at.to_i} " if current_user.created_at
     else
       str << 'uid=nil'
     end