diff --git a/ChangeLog b/ChangeLog
index 4c436cc287..7cf59c50b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Sep 21 20:53:39 2015  tbpgr  <tbpgr@tbpgr.jp>
+
+	* test/win32ole/test_win32ole_event.rb: fix typo.
+	  swbemsink_avairable? => swbemsink_available?  [Fix GH-1025]
+
 Sun Sep 20 10:07:35 2015  Anton Davydov  <antondavydov.o@gmail.com>
 
 	* cont.c (rb_callcc): [DOC] append continuations example accros
diff --git a/test/win32ole/test_win32ole_event.rb b/test/win32ole/test_win32ole_event.rb
index 70d3bcd6e0..f91f0a10c5 100644
--- a/test/win32ole/test_win32ole_event.rb
+++ b/test/win32ole/test_win32ole_event.rb
@@ -21,7 +21,7 @@ def ado_installed?
   installed
 end
 
-def swbemsink_avairable?
+def swbemsink_available?
   available = false
   if defined?(WIN32OLE)
     wmi = nil
@@ -50,7 +50,7 @@ if defined?(WIN32OLE_EVENT)
   end
 
   class TestWIN32OLE_EVENT_SWbemSink < Test::Unit::TestCase
-    unless swbemsink_avairable?
+    unless swbemsink_available?
       def test_dummy_for_skip_message
         skip "'WbemScripting.SWbemSink' is not available"
       end