diff --git a/sale.py b/sale.py
index 559ae2c605..1bfa2b3d17 100644
--- a/sale.py
+++ b/sale.py
@@ -1106,7 +1106,7 @@ class SaleLine(ModelSQL, ModelView):
     def get_move_done(self, name):
         Uom = Pool().get('product.uom')
         done = True
-        if not self.product:
+        if self.type != 'line' or not self.product:
             return True
         if self.product.type == 'service':
             return True