diff --git a/app/models/user.rb b/app/models/user.rb
index e90315db6a..4d211b1698 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -418,6 +418,7 @@ class User < ActiveRecord::Base
 
   def enqueue_staff_welcome_message(role)
     return unless staff?
+    return if role == :admin && User.real.where(admin: true).count == 1
 
     Jobs.enqueue(
       :send_system_message,