diff --git a/src/api/v1/db/oracledb/connection.js b/src/api/v1/db/oracledb/connection.js
index 9d6389c..f04c0ee 100644
--- a/src/api/v1/db/oracledb/connection.js
+++ b/src/api/v1/db/oracledb/connection.js
@@ -61,7 +61,7 @@ const validateOracleDb = async () => {
 };
 
 // Close the pool when application is stopped
-process.on('exit', () => { if (pool) pool.close(); });
+process.on('exit', () => { if (pool && pool.close) pool.close(); });
 
 export {
   getConnection, validateOracleDb,