diff --git a/nfu_product_bnn_attributes/models/__init__.py b/nfu_product_bnn_attributes/models/__init__.py
index e8fa8f6..18b37e8 100644
--- a/nfu_product_bnn_attributes/models/__init__.py
+++ b/nfu_product_bnn_attributes/models/__init__.py
@@ -1 +1,2 @@
+from . import product_product
 from . import product_template
diff --git a/nfu_product_bnn_attributes/models/product_template.py b/nfu_product_bnn_attributes/models/product_template.py
index b2a009a..e8ec7f2 100644
--- a/nfu_product_bnn_attributes/models/product_template.py
+++ b/nfu_product_bnn_attributes/models/product_template.py
@@ -1,4 +1,4 @@
-from odoo import api, fields, models
+from odoo import fields, models
 
 
 class ProductTemplate(models.Model):
@@ -12,38 +12,20 @@ class ProductTemplate(models.Model):
     packaging_qty = fields.Float(string="Packaging Quantity")
     packaging_name = fields.Char()
 
-    @api.depends("packaging_qty", "packaging_name")
-    def generate_packaging_from_bnn(self):
-        for product in self:
-            qty = product.packaging_qty
-            name = product.packaging_name
-            if qty and name:
-                packagings = (
-                    self.env["product.packaging"]
-                    .search([("product_id", "=", product.id)])
-                    .filtered(lambda p: p.qty == qty)
-                )
-                if packagings:
-                    packagings[0].write({"name": name})
-                else:
-                    self.env["product.packaging"].create({"name": name, "qty": qty, "product_id": product.id})
-
     def write(self, vals):
         res = super().write(vals)
-        if vals.get("packaging_qty"):
+        if vals.get("packaging_qty") or vals.get("packaging_name"):
             for product in self:
-                qty = vals.get("packaging_qty")
-                name = vals.get("packaging_name") if vals.get("packaging_name") else product.packaging_name
+                qty = vals.get("packaging_qty") or product.packaging_qty
+                name = vals.get("packaging_name") or product.packaging_name
+                product_products = self.env["product.product"].search([("product_tmpl_id", "=", product.id)])
                 if qty and name:
-                    packagings = (
-                        self.env["product.packaging"]
-                        .search([("product_id", "=", product.id)])
-                        .filtered(lambda p: p.qty == qty)
-                    )
-                    if packagings:
-                        packagings[0].write({"name": name})
-                    else:
-                        self.env["product.packaging"].create(
-                            {"name": name, "qty": qty, "product_id": product.id, "sales": True}
-                        )
+                    for product_product in product_products:
+                        packagings = self.env["product.packaging"].search([("product_id", "=", product_product.id)])
+                        if packagings:
+                            packagings[0].write({"name": name, "qty": qty, "sales": True})
+                        else:
+                            self.env["product.packaging"].create(
+                                {"name": name, "qty": qty, "product_id": product_product.id, "sales": True}
+                            )
         return res