diff --git a/ChangeLog b/ChangeLog
index b98bf21b22..14658ba079 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Fri Sep 29 09:29:45 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Fri Sep 29 09:36:38 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/extmk.rb: extout is needed for also clean.
+	  fixed: [ruby-core:08944]
 
 	* lib/optparse.rb (parse_in_order): splat arguments to callback block.
 
diff --git a/ext/extmk.rb b/ext/extmk.rb
index 7d09ac45d0..fcd2f101f8 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -390,8 +390,8 @@ else
 end
 
 if $extout
+  extout = RbConfig.expand("#{$extout}", RbConfig::CONFIG.merge("topdir"=>$topdir))
   unless $ignore
-    RbConfig.expand(extout = "#{$extout}", RbConfig::CONFIG.merge("topdir"=>$topdir))
     FileUtils.mkpath(extout)
   end
 end