diff --git a/addons/stock/models/stock_scrap.py b/addons/stock/models/stock_scrap.py
index a51b5674b44..9792b46bb80 100644
--- a/addons/stock/models/stock_scrap.py
+++ b/addons/stock/models/stock_scrap.py
@@ -46,7 +46,7 @@ class StockScrap(models.Model):
         domain="[('scrap_location', '=', True)]", check_company=True, readonly=False)
     scrap_qty = fields.Float(
         'Quantity', required=True, digits='Product Unit of Measure',
-        compute='_compute_scrap_qty', default=0.0, readonly=False, store=True)
+        compute='_compute_scrap_qty', default=1.0, readonly=False, store=True)
     state = fields.Selection([
         ('draft', 'Draft'),
         ('done', 'Done')],