diff --git a/addons/mail/tests/test_mail_render.py b/addons/mail/tests/test_mail_render.py
index 0103af1327a..9f97ff6d676 100644
--- a/addons/mail/tests/test_mail_render.py
+++ b/addons/mail/tests/test_mail_render.py
@@ -210,6 +210,23 @@ class TestMailRender(common.MailCommon):
             )[partner.id]
             self.assertEqual(rendered, expected)
 
+    @users('employee')
+    def test_render_template_local_links(self):
+        local_links_template_bits = [
+            '<div style="background-image:url(/web/path?a=a&b=b);"/>',
+            '<div style="background-image:url(\'/web/path?a=a&b=b\');"/>',
+            '<div style="background-image:url(&#34;/web/path?a=a&b=b&#34;);"/>',
+        ]
+        base_url = self.env['mail.render.mixin'].get_base_url()
+        rendered_local_links = [
+            '<div style="background-image:url(%s/web/path?a=a&b=b);"/>' % base_url,
+            '<div style="background-image:url(\'%s/web/path?a=a&b=b\');"/>' % base_url,
+            '<div style="background-image:url(&#34;/web/path?a=a&b=b&#34;);"/>'
+        ]
+        for source, expected in zip(local_links_template_bits, rendered_local_links):
+            rendered = self.env['mail.render.mixin']._replace_local_links(source)
+            self.assertEqual(rendered, expected)
+
     @users('employee')
     def test_render_template_qweb(self):
         partner = self.env['res.partner'].browse(self.render_object.ids)