diff --git a/config/bot.php b/config/bot.php
index 47d5738..db07d63 100644
--- a/config/bot.php
+++ b/config/bot.php
@@ -2,5 +2,5 @@
 
 return [
     'webhook' => env('BOT_SLACK_WEBHOOK_URL', ''),
-    'header_auth' => env('BOT_SLACK_WEBHOOK_URL', ''),
+    'header_auth' => env('BOT_X_BOTAUTH', ''),
 ];