diff --git a/ChangeLog b/ChangeLog
index 737b6501a3..aa92bff427 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
-Mon Nov  9 11:28:29 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Mon Nov  9 11:38:27 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* Makefile.in (clean-ext): get rid of failure.
 
 	* configure.in (warnflags): add -Wno-long-long.
 
diff --git a/Makefile.in b/Makefile.in
index a877665f34..d4a2359d28 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -182,7 +182,7 @@ clean-ext distclean-ext realclean-ext::
 	    dir=`dirname "$$mk"`; \
 	    echo $(@:-ext=)ing `expr "$$dir" : 'ext/\(.*\)'`; \
 	    (cd "$$dir"; $(MAKE) $(MFLAGS) $(@:-ext=)) && \
-	    test $@ != clean-ext && rmdir -p "$$dir" 2> /dev/null; \
+	    test $@ = clean-ext || rmdir -p "$$dir" 2> /dev/null; \
 	done
 
 ext/extinit.$(OBJEXT): ext/extinit.c $(SETUP)