diff --git a/legacy/public/setup/database-setup.php b/legacy/public/setup/database-setup.php
index 25da7b6db..b9b4ed0bf 100644
--- a/legacy/public/setup/database-setup.php
+++ b/legacy/public/setup/database-setup.php
@@ -294,6 +294,6 @@ class DatabaseSetup extends Setup
      */
     private function updateDjangoTables()
     {
-        shell_exec('LIBRETIME_CONF_FILE=/etc/airtime/airtime.conf.temp libretime-api migrate');
+        shell_exec('LIBRETIME_CONFIG_FILEPATH=/etc/airtime/airtime.conf.temp libretime-api migrate');
     }
 }