diff --git a/lib/helpers/macos/parseCodePoints.js b/lib/helpers/macos/parseCodePoints.js
index 7c58984..2b5b537 100644
--- a/lib/helpers/macos/parseCodePoints.js
+++ b/lib/helpers/macos/parseCodePoints.js
@@ -32,6 +32,7 @@ exports.parseCodePoints = function (codes) {
     } else if (code.length === 1) {
       throw new Error(`unknown key (\\u${code.charCodeAt(0).toString(16)})`);
     } else {
+      // Matches an error thrown by robotjs.
       throw new Error('Invalid key code specified.');
     }
   }
diff --git a/test/helpers/macos/applescript.js b/test/helpers/macos/applescript.js
index 0004cf5..a6e30ef 100644
--- a/test/helpers/macos/applescript.js
+++ b/test/helpers/macos/applescript.js
@@ -43,7 +43,7 @@ suite('helpers/macos/applescript', () => {
       {
         description: 'throws on invalid code',
         keyCombination: ['df daf% ?'],
-        throws: /unknown key/,
+        throws: /Invalid key code/,
       },
     ],
   );