diff --git a/test/parallel/test-crypto-random.js b/test/parallel/test-crypto-random.js
index 7fa5c71c3ce05d..a664023e81c06b 100644
--- a/test/parallel/test-crypto-random.js
+++ b/test/parallel/test-crypto-random.js
@@ -32,4 +32,4 @@ const expectedErrorRegexp = /^TypeError: size must be a number >= 0$/;
 // length exceeds max acceptable value"
 assert.throws(function() {
   crypto.randomBytes((-1 >>> 0) + 1);
-}, TypeError);
+}, /^TypeError: size must be a number >= 0$/);