diff --git a/product/ERP5/Document/TradeModelLine.py b/product/ERP5/Document/TradeModelLine.py
index 3043c54ea6eb07504b308a45f02d6786469d0e3a..7b06dad4d4e86ed662b5ebab511f5309ad3c99b2 100644
--- a/product/ERP5/Document/TradeModelLine.py
+++ b/product/ERP5/Document/TradeModelLine.py
@@ -155,7 +155,7 @@ class TradeModelLine(Predicate, XMLMatrix, Amount):
             amount.getProperty('create_line')):
           movement_like_amount_list.append(amount)
         else:
-          temporary_aggregated_amount_list(amount)
+          temporary_aggregated_amount_list.append(amount)
       for movement in (movement_list + movement_like_amount_list):
         result.extend(self._getAggregatedAmountList(
           context, [movement], temporary_aggregated_amount_list,