diff --git a/lib/commands/set-default-argv.js b/lib/commands/set-default-argv.js
index ecd88635..616750a5 100644
--- a/lib/commands/set-default-argv.js
+++ b/lib/commands/set-default-argv.js
@@ -98,7 +98,7 @@ module.exports = function (internals, isModule) {
       .describe('log-level', 'Set the log-level, for example sql|warn')
       .string('log-level');
   } else {
-    var _internalsArgv = Object.assign(defaultConfig, internals.cmdOptions);
+    const _internalsArgv = Object.assign(defaultConfig, internals.cmdOptions);
     internals.argv = {
       get argv () {
         return _internalsArgv;