diff --git a/lib/util/cmd.helper.js b/lib/util/cmd.helper.js
index 3f44e2ef0f..2b4e50940a 100644
--- a/lib/util/cmd.helper.js
+++ b/lib/util/cmd.helper.js
@@ -20,7 +20,7 @@ program
   .option('-d, --database <n>', 'database schema name')
   .option('-r, --ipAddress <n>', 'IP interface of your server / locahost by default')
   .option('-n, --portNumber <n>', 'port number for app / 3000 by default')
-  .option('-port, --port <n>', 'port number for mysql / 3306 by default')
+  .option('-o, --port <n>', 'port number for mysql / 3306 by default')
   .option('-s, --storageFolder <n>', 'storage folder / current working dir by default / available only with local')
   .option('-i, --ignoreTables <n>', 'comma separated table names to ignore')
   .option('-a, --apiPrefix <n>', 'api url prefix / "/api/" by default')