diff --git a/app/models/ticket.rb b/app/models/ticket.rb
index 24c71bb54..22f817269 100644
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@@ -402,6 +402,8 @@ class Ticket < ApplicationModel
   private
 
     def number_generate
+      return if self.number
+      return if !self.number.empty?
 
       # generate number
       (1..25_000).each do |i|