diff --git a/product/ERP5/Document/Item.py b/product/ERP5/Document/Item.py
index 2d6f0f7f7b9c40470847b2bed508f26d25209dc1..5d7fbab7c11c2dc686c5479b20eb500724c2e9e1 100644
--- a/product/ERP5/Document/Item.py
+++ b/product/ERP5/Document/Item.py
@@ -89,7 +89,7 @@ class Item(XMLObject, Amount, ImmobilisableItem):
         """
         return XMLObject.generateNewId(self, id_group=id_group, default=default, method=method)
 
-    def getPrice(self,**kw):
+    def getPrice(self,context=None,**kw):
       """
         Get the Price in the context.