diff --git a/test/parallel/test-crypto-key-objects.js b/test/parallel/test-crypto-key-objects.js
index d7b3f9af83acd9..aa57aaa41f4813 100644
--- a/test/parallel/test-crypto-key-objects.js
+++ b/test/parallel/test-crypto-key-objects.js
@@ -66,6 +66,16 @@ const privateDsa = fixtures.readKey('dsa_private_encrypted_1025.pem',
   });
 }
 
+{
+  assert.throws(() => KeyObject.from('invalid_key'), {
+    name: 'TypeError',
+    code: 'ERR_INVALID_ARG_TYPE',
+    message:
+      'The "key" argument must be an instance of CryptoKey. Received type ' +
+      "string ('invalid_key')"
+  });
+}
+
 {
   const keybuf = randomBytes(32);
   const key = createSecretKey(keybuf);