diff --git a/ChangeLog b/ChangeLog
index 57c7effa45..3d2b5a6c05 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Oct  6 09:00:58 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* test/bigdecimal/test_bigdecimal.rb (test_sqrt_bigdecimal): test
+	  updated.  a patch from TAKANO Mitsuhiro <takano32 at jus.or.jp>
+	  in [ruby-dev:36669].
+
 Sun Oct  5 23:34:28 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/mkmf.rb ($config_h): now always defines for old libraries.
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb
index 90245db625..c1f67b8c90 100644
--- a/test/bigdecimal/test_bigdecimal.rb
+++ b/test/bigdecimal/test_bigdecimal.rb
@@ -466,9 +466,7 @@ class TestBigDecimal < Test::Unit::TestCase
     x = BigDecimal.new("0.09")
     assert_in_delta(0.3, x.sqrt(1), 0.001)
     x = BigDecimal.new((2**100).to_s)
-    assert_equal(1125899906842624, x.sqrt(100))
-    assert_equal(1125899906842624, x.sqrt(200))
-    assert_equal(1125899906842624, x.sqrt(300)) # I don't understand the meaning of argument...
+    assert_equal(true, x.sqrt(300).precs.last < x.sqrt(1200).precs.last)
     x = BigDecimal.new("-" + (2**100).to_s)
     assert_raise(FloatDomainError) { x.sqrt(1) }
     x = BigDecimal.new((2**200).to_s)