diff --git a/sale_supply_drop_shipment_save_move.diff b/sale_supply_drop_shipment_save_move.diff
new file mode 100644
index 0000000..e3c0600
--- /dev/null
+++ b/sale_supply_drop_shipment_save_move.diff
@@ -0,0 +1,13 @@
+diff -r d5a4094774e9 sale.py
+--- a/trytond/trytond/modules/sale_supply_drop_shipment/sale.py	Wed Oct 04 22:04:03 2017 +0200
++++ b/trytond/trytond/modules/sale_supply_drop_shipment/sale.py	Fri Oct 06 14:55:49 2017 +0200
+@@ -58,7 +58,8 @@
+         moves = []
+         for line in self.lines:
+             moves += line.get_drop_moves()
+-        Move.save(moves)
++        if moves:
++            Move.save(moves)
+ 
+ 
+ class SaleLine:
diff --git a/series b/series
index 0267d73..5b3fb2f 100644
--- a/series
+++ b/series
@@ -30,6 +30,7 @@ stock_supply_production-performance-improvement.diff
 tax_active_invisible.diff
 domain_validation_warning.diff
 posted_quantity_property_stockmove.diff
+sale_supply_drop_shipment_save_move.diff
 #do_not_lock_on_assign_try.diff
 
 issue6579.diff