diff --git a/apps/arena/lib/arena/utils.ex b/apps/arena/lib/arena/utils.ex
index a65d4720e..dc79d56f3 100644
--- a/apps/arena/lib/arena/utils.ex
+++ b/apps/arena/lib/arena/utils.ex
@@ -24,9 +24,12 @@ defmodule Arena.Utils do
 
   def get_bot_connection_url(game_id, bot_client) do
     server_url = System.get_env("PHX_HOST") || "localhost"
-    bot_manager_host = System.get_env("BOT_MANAGER_HOST", "localhost")
-    bot_manager_port = System.get_env("BOT_MANAGER_PORT", "4003")
+    bot_manager_host = System.get_env("BOT_MANAGER_HOST", "localhost:4003")
+    protocol = get_correct_protocol(bot_manager_host)
 
-    "http://#{bot_manager_host}:#{bot_manager_port}/join/#{server_url}/#{game_id}/#{bot_client}"
+    "#{protocol}#{bot_manager_host}/join/#{server_url}/#{game_id}/#{bot_client}"
   end
+
+  defp get_correct_protocol("localhost" <> _host), do: "http://"
+  defp get_correct_protocol(_host), do: "https://"
 end