diff --git a/product_detailed_type_stock/models/product_template.py b/product_detailed_type_stock/models/product_template.py
index 4f23eec..f13c267 100644
--- a/product_detailed_type_stock/models/product_template.py
+++ b/product_detailed_type_stock/models/product_template.py
@@ -10,4 +10,4 @@ class ProductTemplate(models.Model):
 
     detailed_type = fields.Selection(selection_add=[
         ('product', 'Storable Product')
-        ], ondelete={'product': 'set default'})
+        ], ondelete={'product': 'set default'}, default='product')