diff --git a/ChangeLog b/ChangeLog
index 8744544084..1cec597f5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct 15 06:50:29 2014  Eric Wong  <e@80x24.org>
+
+	* test/ruby/test_optimization.rb (test_hash_aset_with):
+	  assert assignment
+
 Wed Oct 15 04:56:27 2014  Zachary Scott  <e@zzak.io>
 
 	* gc.c (rb_obj_id): [DOC] Fix typo, clean up sentence, and wrap cols
diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index f991beaaa5..40b1cbaa7b 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -164,7 +164,7 @@ class TestRubyOptimization < Test::Unit::TestCase
     assert_equal 1, h["foo"] = 1
     assert_redefine_method('Hash', '[]=', <<-end)
       h = {}
-      h["foo"] = 1
+      assert_equal 1, h["foo"] = 1, "assignment always returns value set"
       assert_nil h["foo"]
     end
   end