diff --git a/addons/website/models/website.py b/addons/website/models/website.py
index 64c68ef5d72..a81721d9f10 100644
--- a/addons/website/models/website.py
+++ b/addons/website/models/website.py
@@ -819,6 +819,10 @@ class Website(models.Model):
         res = urls.url_parse(self.domain)
         return 'http://' + self.domain if not res.scheme else self.domain
 
+    def get_base_url(self):
+        self.ensure_one()
+        return self._get_http_domain() or super(BaseModel, self).get_base_url()
+
 
 class BaseModel(models.AbstractModel):
     _inherit = 'base'
diff --git a/addons/website/tests/test_base_url.py b/addons/website/tests/test_base_url.py
index 8b98ea4e2d9..421174d0c65 100644
--- a/addons/website/tests/test_base_url.py
+++ b/addons/website/tests/test_base_url.py
@@ -12,22 +12,30 @@ class TestBaseUrl(odoo.tests.HttpCase):
         Website = self.env['website']
 
         icp_base_url = ICP.sudo().get_param('web.base.url')
-        domain ='https://www.domain.jke'
-
+        domain = 'https://www.domain.jke'
         website = Website.create({'name': 'test base url', 'domain': domain})
-        without_website_id = website  # a model that don't have website_id as field
-        with_website_id = self.env['res.partner'].create({'name': 'test base url'})
 
+        # Test URL is correct for the website itself when the domain is set
+        self.assertEqual(website.get_base_url(), domain)
+
+        # Test URL is correct for a model without website_id
+        without_website_id = self.env['ir.attachment'].create({'name': 'test base url'})
         self.assertEqual(without_website_id.get_base_url(), icp_base_url)
 
+        # Test URL is correct for a model with website_id...
+        with_website_id = self.env['res.partner'].create({'name': 'test base url'})
+
+        # ...when no website is set on the model
         with_website_id.website_id = False
         self.assertEqual(with_website_id.get_base_url(), icp_base_url)
 
+        # ...when the website is correctly set
         with_website_id.website_id = website
         self.assertEqual(with_website_id.get_base_url(), domain)
 
+        # ...when the set website doesn't have a domain
         website.domain = False
         self.assertEqual(with_website_id.get_base_url(), icp_base_url)
 
-
-
+        # Test URL is correct for the website itself when no domain is set
+        self.assertEqual(website.get_base_url(), icp_base_url)
diff --git a/addons/website_slides/models/slide_channel.py b/addons/website_slides/models/slide_channel.py
index 9b4d7704b51..b6383e49ffd 100644
--- a/addons/website_slides/models/slide_channel.py
+++ b/addons/website_slides/models/slide_channel.py
@@ -296,11 +296,6 @@ class Channel(models.Model):
     def _get_can_publish_error_message(self):
         return _("Publishing is restricted to the responsible of training courses or members of the publisher group for documentation courses")
 
-    def get_base_url(self):
-        self.ensure_one()
-        icp = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
-        return self.website_id and self.website_id._get_http_domain() or icp
-
     @api.depends('name', 'website_id.domain')
     def _compute_website_url(self):
         super(Channel, self)._compute_website_url()