1 files changed, 2 insertions, 2 deletions
diff --git a/test/ruby/test_defined.rb b/test/ruby/test_defined.rb
index 1af3bd0cb3..b9bf939394 100644
--- a/test/ruby/test_defined.rb
+++ b/test/ruby/test_defined.rb
@@ -311,9 +311,9 @@ class TestDefined < Test::Unit::TestCase
     end
 
     assert_nil(a)
-
+  ensure
     BasicObject.class_eval do
-      undef_method :a
+      undef_method :a if defined?(a)
     end
   end