diff --git a/script/app.js b/script/app.js
index e87ccdc..028b5da 100644
--- a/script/app.js
+++ b/script/app.js
@@ -177,7 +177,7 @@ async function main() {
         password: process.env.MARIADB_PASSWORD
     });
     
-    
+    let conn;
 
     try {
         conn = await pool.getConnection();