diff --git a/ChangeLog b/ChangeLog
index 9dc374fea7..c055aa816c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jul  1 12:59:14 2010  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* test/rubygems/test_gem_activation.rb: comment out a test for WONTFIX
+	  bug.
+
 Mon Jun 28 22:14:22 2010  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* test/rdoc/test_rdoc_ri_driver.rb (TestRDocRIDriver#test_formatter):
diff --git a/test/rubygems/test_gem_activation.rb b/test/rubygems/test_gem_activation.rb
index d0acc29052..dbbc3cba07 100644
--- a/test/rubygems/test_gem_activation.rb
+++ b/test/rubygems/test_gem_activation.rb
@@ -13,8 +13,9 @@ else
 end}
     basedir = File.expand_path("../gems/current", __FILE__)
     env = {"HOME"=>basedir, "GEM_HOME"=>basedir, "GEM_PATH"=>basedir}
-    assert_in_out_err([env, "-rrubygems-bug-child", "-e", src], "",
-                      /can't activate rubygems-bug-child.*already activated rubygems-bug-child-1\.1/, [],
-                      bug3140)
+    # WONTFIX in 1.9.2
+    #assert_in_out_err([env, "-rrubygems-bug-child", "-e", src], "",
+    #                  /can't activate rubygems-bug-child.*already activated rubygems-bug-child-1\.1/, [],
+    #                  bug3140)
   end
 end if defined?(::Gem)