diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 18e949f..fafa9e7 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -497,6 +497,16 @@ class Line(metaclass=PoolMeta):
         help="Add attributes to the variant."
     )
 
+    attribute_set = fields.Function(
+        fields.Many2One('product.attribute.set', "Attribute Set"),
+        'on_change_with_attribute_set'
+    )
+    
+    @fields.depends('product')
+    def on_change_with_attribute_set(self, name=None):
+        if self.product and self.product.template:
+            return self.product.template.attribute_set.id
+        
     attributes_name = fields.Function(
         fields.Char("Attributes Name"),
         'on_change_with_attributes_name'