diff --git a/test/t/standarderror.rb b/test/t/standarderror.rb
index 3868d7567..42b06d911 100644
--- a/test/t/standarderror.rb
+++ b/test/t/standarderror.rb
@@ -2,10 +2,9 @@
 # StandardError ISO Test
 
 assert('StandardError', '15.2.23') do
-  StandardError.class == Class
+  assert_equal StandardError.class, Class
 end
 
 assert('StandardError superclass', '15.2.23.2') do
-  StandardError.superclass == Exception
+  assert_equal StandardError.superclass, Exception
 end
-