diff --git a/config/releases.exs b/config/releases.exs
index bf88912..94db69e 100644
--- a/config/releases.exs
+++ b/config/releases.exs
@@ -40,9 +40,9 @@ explorer_hostname =
     """
 
 config :zcash_explorer, ZcashExplorerWeb.Endpoint,
+  url: [host: explorer_hostname, port: String.to_integer(System.get_env("PORT") || "4000")],
   http: [
     port: String.to_integer(System.get_env("PORT") || "4000"),
-    host: explorer_hostname,
     transport_options: [socket_opts: [:inet6]]
   ],
   secret_key_base: secret_key_base