diff --git a/ext/custom-addons/dp_custom/models/product.py b/ext/custom-addons/dp_custom/models/product.py
index 1f8f4e1b..6ac72718 100644
--- a/ext/custom-addons/dp_custom/models/product.py
+++ b/ext/custom-addons/dp_custom/models/product.py
@@ -24,6 +24,7 @@ from odoo import fields, models, api, _
 from odoo.exceptions import ValidationError
 from odoo.addons.queue_job.job import job
 
+
 class ProductXCategory(models.Model):
     _name = 'product.xcategory'
     _description = 'X-Kategorie'
@@ -174,8 +175,12 @@ class ProductPricelistItem(models.Model):
     @api.multi
     @job
     def job_mark_partner_for_export(self, pricelist_id):
-        partners = self.env['res.partner'].search([('company_type','=','company'),('portal_id','!=',False)])
+        partners = self.env['res.partner'].search([('company_type', '=', 'company'), ('portal_id', '!=', False)])
+        todo_partner = self.env['res.partner']
         for partner in partners:
             # Search ist auf die Preisliste nicht möglich, daher wird jeder Partner einzeln verglichen
             if partner.property_product_pricelist.id == pricelist_id:
-                partner.portal_export_pending = True
\ No newline at end of file
+                todo_partner |= partner
+        todo_partner.write({
+            'portal_export_pending': True
+        })