diff --git a/ChangeLog b/ChangeLog
index 6b3695dd54..e0ff95313e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Mar 19 06:29:28 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* test/objspace/test_objspace.rb: flag name was changed
+	  (long_lived -> uncollectible).
+
 Thu Mar 19 05:30:13 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* iseq.c (iseq_mark): skip some marking if iseq->orig is available.
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index b948c82038..6ad3be2945 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -196,7 +196,7 @@ class TestObjSpace < Test::Unit::TestCase
 
   def test_dump_flags
     info = ObjectSpace.dump("foo".freeze)
-    assert_match /"wb_protected":true, "old":true, "long_lived":true, "marked":true/, info
+    assert_match /"wb_protected":true, "old":true, "uncollectible":true, "marked":true/, info
     assert_match /"fstring":true/, info
   end