diff --git a/product_total_weight_from_packaging/models/product.py b/product_total_weight_from_packaging/models/product.py
index 9799ca3cfc2..81a445faa17 100644
--- a/product_total_weight_from_packaging/models/product.py
+++ b/product_total_weight_from_packaging/models/product.py
@@ -11,7 +11,7 @@ def get_total_weight_from_packaging(self, qty):
         self.ensure_one()
         qty_by_packaging_with_weight = self.with_context(
             **{
-                "_packaging_filter": lambda p: p.max_weight,
+                "_packaging_filter": lambda p: p.weight,
                 "_packaging_values_handler": self._prepare_qty_by_packaging_values_with_weight,  # noqa
             }
         ).product_qty_by_packaging(qty)
@@ -33,5 +33,5 @@ def _prepare_qty_by_packaging_values_with_weight(
             res["weight"] = self.weight
         else:
             packaging = self.env["product.packaging"].browse(packaging_tuple.id)
-            res["weight"] = packaging.max_weight
+            res["weight"] = packaging.weight
         return res