diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 300e436..109bff3 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -509,13 +509,16 @@ class Line(metaclass=PoolMeta):
     
     att_desc = fields.Function(fields.Char("Attributes"),'get_attributes')
 
-    def get_attributes(self, name):
+    def get_attributes_string(self, name):
+        Attribute = Pool().get('product.attribute')
+
         if not self.attributes:
             return ''
 
         parts = []
-        for attribute, value in self.attributes.items():
-            parts.append(f"{attribute.name}: {value}")
+        for attr_id, value in self.attributes.items():
+            attribute = Attribute(attr_id)
+            parts.append(f"{attribute.string}: {value}")
 
         return ', '.join(parts)