diff --git a/commands.js b/commands.js
index 1aee763..57d4fd7 100644
--- a/commands.js
+++ b/commands.js
@@ -1,6 +1,6 @@
 const fs = require('fs');
 
-global.commands = module.exports = {};
+const commands = module.exports = {};
 
 // Compute the edit distance between the two given strings
 function getEditDistance(sourceString, targetString) {