diff --git a/trytond/trytond/modules/stock_split/stock.py b/trytond/trytond/modules/stock_split/stock.py
index e68fd55..9f00036 100644
--- a/trytond/trytond/modules/stock_split/stock.py
+++ b/trytond/trytond/modules/stock_split/stock.py
@@ -52,6 +52,7 @@ class Move(metaclass=PoolMeta):
                 'uom': uom.id,
                 })
         remainder -= quantity
+        remainder = round(remainder, self.unit_digits)
         if count:
             count -= 1
         while (remainder > quantity