diff --git a/lib/asciinema_web/controllers/page_controller.ex b/lib/asciinema_web/controllers/page_controller.ex
index dce41244c..2b6050a89 100644
--- a/lib/asciinema_web/controllers/page_controller.ex
+++ b/lib/asciinema_web/controllers/page_controller.ex
@@ -8,7 +8,8 @@ defmodule AsciinemaWeb.PageController do
       conn,
       "about.html",
       page_title: "About",
-      contact_email_address: Application.get_env(:asciinema, :contact_email_address)
+      contact_email_address: Application.get_env(:asciinema, :contact_email_address),
+      server_name: AsciinemaWeb.Endpoint.host()
     )
   end
 
diff --git a/lib/asciinema_web/controllers/page_html/about.html.heex b/lib/asciinema_web/controllers/page_html/about.html.heex
index 3797b057d..93aab72ee 100644
--- a/lib/asciinema_web/controllers/page_html/about.html.heex
+++ b/lib/asciinema_web/controllers/page_html/about.html.heex
@@ -1,7 +1,7 @@
-<h1>About <%= @conn.host %></h1>
+<h1>About <%= @server_name %></h1>
 
 <p>
-  <strong><%= @conn.host %></strong> is a platform for hosting and sharing
+  <strong><%= @server_name %></strong> is a platform for hosting and sharing
   terminal session recordings, powered by <a href="https://docs.asciinema.org/manual/server/">asciinema server</a>.
 </p>
 
@@ -22,7 +22,7 @@
     <li>account access problems,</li>
     <li>recording recovery,</li>
     <li>content reporting,</li>
-    <li>security vulnerability, which may affect <%= @conn.host %> users.</li>
+    <li>security vulnerability, which may affect <%= @server_name %> users.</li>
   </ul>
 
   <p>