diff --git a/stock.py b/stock.py
index d1deed38bf..6a08393308 100644
--- a/stock.py
+++ b/stock.py
@@ -59,6 +59,7 @@ class Move:
                         'uom': uom.id,
                         }))
             remainder -= quantity
+            remainder = Uom.round(remainder, uom.rounding)
             if count:
                 count -= 1
         assert remainder >= 0