diff --git a/addons/point_of_sale/models/res_partner.py b/addons/point_of_sale/models/res_partner.py
index f779e51ee60..c3db0345547 100644
--- a/addons/point_of_sale/models/res_partner.py
+++ b/addons/point_of_sale/models/res_partner.py
@@ -30,5 +30,6 @@ class ResPartner(models.Model):
         if partner_id:  # Modifying existing partner
             self.browse(partner_id).write(partner)
         else:
+            partner['lang'] = self.env.user.lang
             partner_id = self.create(partner).id
         return partner_id
diff --git a/addons/website_slides/models/slides.py b/addons/website_slides/models/slides.py
index 3362e32d834..08f87654f32 100644
--- a/addons/website_slides/models/slides.py
+++ b/addons/website_slides/models/slides.py
@@ -371,7 +371,10 @@ class Slide(models.Model):
             if slide.id:  # avoid to perform a slug on a not yet saved record in case of an onchange.
                 # link_tracker is not in dependencies, so use it to shorten url only if installed.
                 if self.env.registry.get('link.tracker'):
-                    url = self.env['link.tracker'].sudo().create({'url': '%s/slides/slide/%s' % (base_url, slug(slide))}).short_url
+                    url = self.env['link.tracker'].sudo().create({
+                        'url': '%s/slides/slide/%s' % (base_url, slug(slide)),
+                        'title': slide.name,
+                    }).short_url
                 else:
                     url = '%s/slides/slide/%s' % (base_url, slug(slide))
                 slide.website_url = url