diff --git a/ChangeLog b/ChangeLog
index fe63f4788e..8b28bf57d9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct  1 17:38:53 2014  Rei Odaira  <Rei.Odaira@gmail.com>
+
+	* test/fileutils/test_fileutils.rb: AIX does not allow
+	  a sticky bit on a regular file.
+
 Wed Oct  1 17:31:41 2014  Eric Hodel  <drbrain@segment7.net>
 
 	* NEWS:  Add RubyGems update.
diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index 9263fe0180..d948219959 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -996,8 +996,8 @@ class TestFileUtils < Test::Unit::TestCase
     # FreeBSD ufs and tmpfs don't allow to change sticky bit against
     # regular file. It's slightly strange. Anyway it's no effect bit.
     # see /usr/src/sys/ufs/ufs/ufs_chmod()
-    # NetBSD, OpenBSD and Solaris also denies it.
-    if /freebsd|netbsd|openbsd|solaris/ !~ RUBY_PLATFORM
+    # NetBSD, OpenBSD, Solaris, and AIX also deny it.
+    if /freebsd|netbsd|openbsd|solaris|aix/ !~ RUBY_PLATFORM
       chmod "u+t,o+t", 'tmp/a'
       assert_filemode 07500, 'tmp/a'
       chmod "a-t,a-s", 'tmp/a'