diff --git a/ChangeLog b/ChangeLog
index 359bd95eec..eb4bf74271 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon May  2 12:34:52 2016  Tanaka Akira  <akr@fsij.org>
+
+	* test/ruby/test_refinement.rb (test_inspect): Use Integer instead of
+	  Fixnum.
+
 Mon May  2 06:58:38 2016  Tanaka Akira  <akr@fsij.org>
 
 	* complex.c: Don't refer rb_cFixnum and rb_cBignum.
diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 60d0c9a7d2..29c5f631f4 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -446,13 +446,13 @@ class TestRefinement < Test::Unit::TestCase
 
   module Inspect
     module M
-      Fixnum = refine(Fixnum) {}
+      Integer = refine(Integer) {}
     end
   end
 
   def test_inspect
-    assert_equal("#<refinement:Fixnum@TestRefinement::Inspect::M>",
-                 Inspect::M::Fixnum.inspect)
+    assert_equal("#<refinement:Integer@TestRefinement::Inspect::M>",
+                 Inspect::M::Integer.inspect)
   end
 
   def test_using_method_cache