diff --git a/test/unit-tests/utils/object.test.js b/test/unit-tests/utils/object.test.js
index 1bf1422ac..098ff6302 100644
--- a/test/unit-tests/utils/object.test.js
+++ b/test/unit-tests/utils/object.test.js
@@ -79,8 +79,8 @@ describe('object', function () {
     })
 
     it('should throw an error in case of an unsupported type', function () {
-      assert.throws(function () { clone(/a regexp/) }, /Cannot clone: unknown type of value \(value: \/a regexp\/\)/)
-      assert.throws(function () { clone(() => 42) }, /Cannot clone: unknown type of value \(value: \(\) => 42\)/)
+      assert.throws(function () { clone(/a regexp/) }, /Cannot clone: unknown type of value/)
+      assert.throws(function () { clone(() => 42) }, /Cannot clone: unknown type of value/)
     })
   })