diff --git a/packages/usb/switch-keymap.js b/packages/usb/switch-keymap.js
index deb9e5a5..fcc5df0c 100755
--- a/packages/usb/switch-keymap.js
+++ b/packages/usb/switch-keymap.js
@@ -2,7 +2,14 @@
 const uhk = require('./uhk');
 
 (async function() {
+    const keymapAbbreviation = process.argv[2];
+
+    if (keymapAbbreviation === undefined) {
+        console.log('Usage: switch-keymap.js keymapName');
+        return;
+    }
+
     const device = uhk.getUhkDevice();
-    const sendData = await uhk.switchKeymap(device, 'TES');
+    const sendData = await uhk.switchKeymap(device, keymapAbbreviation);
     console.log(sendData)
 })();