diff --git a/test/lib/core_assertions.rb b/test/lib/core_assertions.rb
index 47d711f..ef9152d 100644
--- a/test/lib/core_assertions.rb
+++ b/test/lib/core_assertions.rb
@@ -107,7 +107,7 @@ def syntax_check(code, fname, line)
 
       def assert_no_memory_leak(args, prepare, code, message=nil, limit: 2.0, rss: false, **opt)
         # TODO: consider choosing some appropriate limit for MJIT and stop skipping this once it does not randomly fail
-        pend 'assert_no_memory_leak may consider MJIT memory usage as leak' if defined?(RubyVM::JIT) && RubyVM::JIT.enabled?
+        pend 'assert_no_memory_leak may consider MJIT memory usage as leak' if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
 
         require_relative 'memory_status'
         raise Test::Unit::PendedError, "unsupported platform" unless defined?(Memory::Status)