diff --git a/ChangeLog b/ChangeLog
index fa2dd8c710..5c16b95c13 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jun 16 17:37:01 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* test/objspace/test_objspace.rb: relax pattern because uncollectible
+	  flag and marked flag can be false at major GC.
+
 Tue Jun 16 04:50:44 2015  Eric Wong  <e@80x24.org>
 
 	* ext/socket/basicsocket.c (bsock_recv): document outbuf
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index 8845b83c4e..0f0c904511 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -205,7 +205,7 @@ class TestObjSpace < Test::Unit::TestCase
 
   def test_dump_flags
     info = ObjectSpace.dump("foo".freeze)
-    assert_match /"wb_protected":true, "old":true, "uncollectible":true, "marked":true/, info
+    assert_match /"wb_protected":true, "old":true/, info
     assert_match /"fstring":true/, info
   end