diff --git a/app/models/product_category.rb b/app/models/product_category.rb
index a17149171..8feb8afda 100644
--- a/app/models/product_category.rb
+++ b/app/models/product_category.rb
@@ -8,5 +8,5 @@ class ProductCategory < ApplicationRecord
   belongs_to :parent, class_name: 'ProductCategory'
   has_many :children, class_name: 'ProductCategory', foreign_key: :parent_id
 
-  acts_as_list scope: :parent
+  acts_as_list scope: :parent, top_of_list: 0
 end