diff --git a/lib/ret/hub.ex b/lib/ret/hub.ex
index f0ae72bbf..aa21402db 100644
--- a/lib/ret/hub.ex
+++ b/lib/ret/hub.ex
@@ -656,6 +656,12 @@ defmodule Ret.Hub do
 
       if host && host != hub.host do
         hub |> changeset_for_new_host(host) |> Repo.update!()
+
+        RetWeb.Endpoint.broadcast("hub:" <> hub.hub_sid, "host_changed", %{
+          host: host,
+          port: Hub.janus_port(),
+          turn: Hub.generate_turn_info()
+        })
       else
         hub
       end
diff --git a/lib/ret_web/channels/hub_channel.ex b/lib/ret_web/channels/hub_channel.ex
index 951741b39..389526073 100644
--- a/lib/ret_web/channels/hub_channel.ex
+++ b/lib/ret_web/channels/hub_channel.ex
@@ -834,6 +834,11 @@ defmodule RetWeb.HubChannel do
     {:noreply, socket}
   end
 
+  def handle_out("host_changed" = event, payload, socket) do
+    push(socket, event, payload)
+    {:noreply, socket}
+  end
+
   defp maybe_push_naf(
          socket,
          event,