diff --git a/product/ERP5/Document/TradeCondition.py b/product/ERP5/Document/TradeCondition.py
index df84f63ad41c329d4323c436664812c24a0c73c2..8400ea8cfd873717cb311381869ba4c03590e0f4 100644
--- a/product/ERP5/Document/TradeCondition.py
+++ b/product/ERP5/Document/TradeCondition.py
@@ -69,7 +69,7 @@ class TradeCondition(Path, Transformation):
                       )
 
     def updateAggregatedAmountList(self, context, **kw):
-      existing_movement_list = context.contentValues()
+      existing_movement_list = context.getMovementList()
       aggregated_amount_list = self.getAggregatedAmountList(context = context,
           **kw)
       modified_resource_list = []