diff --git a/addons/pos_sale/models/pos_order.py b/addons/pos_sale/models/pos_order.py
index 6a82df70991..534ccc869a3 100644
--- a/addons/pos_sale/models/pos_order.py
+++ b/addons/pos_sale/models/pos_order.py
@@ -134,5 +134,7 @@ class PosOrderLine(models.Model):
         if vals.get('sale_order_origin_id', False):
             vals['sale_order_origin_id'] = vals['sale_order_origin_id']['id']
         if vals.get('sale_order_line_id', False):
-            vals['sale_order_line_id'] = vals['sale_order_line_id']['id']
+            #We need to make sure the order line has not been deleted while the order was being handled in the PoS
+            order_line = self.env['sale.order.line'].search([('id', '=', vals['sale_order_line_id']['id'])], limit=1)
+            vals['sale_order_line_id'] = order_line.id if order_line else False
         return result