diff -r 4c5abccfccf2 trytond/trytond/modules/stock_package/stock.py
--- a/trytond/trytond/modules/stock_package/stock.py	Mon Apr 23 17:36:31 2018 +0200
+++ b/trytond/trytond/modules/stock_package/stock.py	Tue Oct 30 12:45:02 2018 +0100
@@ -212,7 +212,8 @@

     @property
     def packages_moves(self):
-        return (m for m in self.outgoing_moves if m.state != 'cancel')
+        return (m for m in self.outgoing_moves
+            if m.state != 'cancel' and m.quantity != 0.0)


 class ShipmentInReturn(PackageMixin, object):