diff --git a/trytond/osv/orm.py b/trytond/osv/orm.py
index 4b3645143a..c1a5cca64c 100644
--- a/trytond/osv/orm.py
+++ b/trytond/osv/orm.py
@@ -1961,10 +1961,10 @@ class ORM(object):
                     elif pos == 'after':
                         parent = element.getparent()
                         next = element.getnext()
-                        if next:
+                        if next is not None:
                             for child in element2:
                                 index = parent.index(next)
-                                parent.insert(index - 1, child)
+                                parent.insert(index, child)
                         else:
                             parent.extend(element2.getchildren())
                     elif pos == 'before':