diff --git a/invoice.py b/invoice.py
index 92e3d600bc..bdaab9eb84 100644
--- a/invoice.py
+++ b/invoice.py
@@ -36,10 +36,10 @@ class InvoiceLine(metaclass=PoolMeta):
     __name__ = 'account.invoice.line'
 
     @classmethod
-    def _view_look_dom_arch(cls, tree, type, field_children=None):
+    def _view_look_dom_arch(cls, tree, type, field_children=None, level=0):
         if type == 'form' and Transaction().context.get('standalone'):
             tree_root = tree.getroottree().getroot()
             if tree_root.get('cursor') == 'product':
                 tree_root.set('cursor', 'party')
         return super(InvoiceLine, cls)._view_look_dom_arch(tree, type,
-            field_children=field_children)
+            field_children=field_children, level=level)