diff --git a/test/sequential/test-crypto-timing-safe-equal.js b/test/sequential/test-crypto-timing-safe-equal.js
index 6e15a577188cc3..9c4265a672cc0f 100644
--- a/test/sequential/test-crypto-timing-safe-equal.js
+++ b/test/sequential/test-crypto-timing-safe-equal.js
@@ -23,12 +23,15 @@ assert.strictEqual(
 
 assert.throws(function() {
   crypto.timingSafeEqual(Buffer.from([1, 2, 3]), Buffer.from([1, 2]));
-}, 'should throw when given buffers with different lengths');
+}, /^TypeError: Input buffers must have the same length$/,
+   'should throw when given buffers with different lengths');
 
 assert.throws(function() {
   crypto.timingSafeEqual('not a buffer', Buffer.from([1, 2]));
-}, 'should throw if the first argument is not a buffer');
+}, /^TypeError: First argument must be a buffer$/,
+   'should throw if the first argument is not a buffer');
 
 assert.throws(function() {
   crypto.timingSafeEqual(Buffer.from([1, 2]), 'not a buffer');
-}, 'should throw if the second argument is not a buffer');
+}, /^TypeError: Second argument must be a buffer$/,
+   'should throw if the second argument is not a buffer');