diff --git a/addons/website_sale/models/product.py b/addons/website_sale/models/product.py
index 6103ad064c5..0f3bc938ebe 100644
--- a/addons/website_sale/models/product.py
+++ b/addons/website_sale/models/product.py
@@ -135,14 +135,20 @@ class ProductPublicCategory(models.Model):
     _inherit = ["website.seo.metadata", "website.multi.mixin", 'image.mixin']
     _description = "Website Product Category"
     _parent_store = True
-    _order = "sequence, name"
+    _order = "sequence, name, id"
+
+    def _default_sequence(self):
+        cat = self.search([], limit=1, order="sequence DESC")
+        if cat:
+            return cat.sequence + 5
+        return 10000
 
     name = fields.Char(required=True, translate=True)
     parent_id = fields.Many2one('product.public.category', string='Parent Category', index=True, ondelete="cascade")
     parent_path = fields.Char(index=True)
     child_id = fields.One2many('product.public.category', 'parent_id', string='Children Categories')
     parents_and_self = fields.Many2many('product.public.category', compute='_compute_parents_and_self')
-    sequence = fields.Integer(help="Gives the sequence order when displaying a list of product categories.", index=True)
+    sequence = fields.Integer(help="Gives the sequence order when displaying a list of product categories.", index=True, default=_default_sequence)
     website_description = fields.Html('Category Description', sanitize_attributes=False, translate=html_translate)
     product_tmpl_ids = fields.Many2many('product.template', relation='product_public_category_product_template_rel')
 
diff --git a/addons/website_sale/views/product_views.xml b/addons/website_sale/views/product_views.xml
index 30a31aad9f5..adbddf7f243 100644
--- a/addons/website_sale/views/product_views.xml
+++ b/addons/website_sale/views/product_views.xml
@@ -131,7 +131,7 @@
                             <field name="name"/>
                             <field name="parent_id"/>
                             <field name="website_id" options="{'no_create': True}" groups="website.group_multi_website"/>
-                            <field name="sequence"/>
+                            <field name="sequence" groups="base.group_no_one"/>
                         </group>
                     </div>
                 </sheet>