diff --git a/addons/stock_account/models/product.py b/addons/stock_account/models/product.py
index 126bc59960a..58d02d203c8 100644
--- a/addons/stock_account/models/product.py
+++ b/addons/stock_account/models/product.py
@@ -203,7 +203,7 @@ class ProductProduct(models.Model):
         price = self.standard_price
         if not uom or self.uom_id.id == uom.id:
             return price
-        return self.uom_id._compute_price(self.uom_id.id, price, to_uom_id=uom.id)
+        return self.uom_id._compute_price(price, uom)
 
 
 class ProductCategory(models.Model):