diff --git a/ChangeLog b/ChangeLog
index 07cb462a66..6d143016fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Aug 24 11:47:39 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* test/ruby/test_rational.rb: fixed indent.
+
 Sun Aug 24 11:44:11 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* test/ruby/test_rational.rb: remove commented-out code.
diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb
index a16d47b3ac..414eadcb73 100644
--- a/test/ruby/test_rational.rb
+++ b/test/ruby/test_rational.rb
@@ -833,11 +833,11 @@ class Rational_Test < Test::Unit::TestCase
   def test_to_c
     if @complex && !@keiju
       if @unify
-	assert_equal(Rational(3,2), Rational(3,2).to_c)
-	assert_equal(Rational(3,2), Complex(Rational(3,2)))
+        assert_equal(Rational(3,2), Rational(3,2).to_c)
+        assert_equal(Rational(3,2), Complex(Rational(3,2)))
       else
-	assert_equal(Complex(Rational(3,2)), Rational(3,2).to_c)
-	assert_equal(Complex(Rational(3,2)), Complex(Rational(3,2)))
+        assert_equal(Complex(Rational(3,2)), Rational(3,2).to_c)
+        assert_equal(Complex(Rational(3,2)), Complex(Rational(3,2)))
       end
     end
   end
@@ -861,9 +861,9 @@ class Rational_Test < Test::Unit::TestCase
 
     if @complex
       if @keiju
-	assert_raise(NoMethodError){Complex(1,2).to_r}
+        assert_raise(NoMethodError){Complex(1,2).to_r}
       else
-	assert_raise(RangeError){Complex(1,2).to_r}
+        assert_raise(RangeError){Complex(1,2).to_r}
       end
     end