diff --git a/ChangeLog b/ChangeLog
index 24e0125db4..ae762785c2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Sep 30 09:51:46 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* common.mk: fixed broken reference of update-config_files task
+
 Mon Sep 29 22:54:51 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* win32/file.c (append_wstr): set expanded length, not length of
diff --git a/common.mk b/common.mk
index aa4a957b2c..b0b924f3fc 100644
--- a/common.mk
+++ b/common.mk
@@ -1075,11 +1075,10 @@ dist:
 up::
 	-$(Q)$(MAKE) $(MFLAGS) REVISION_FORCE=PHONY "$(REVISION_H)"
 
-update-config_files: $(srcdir)/tool/config.guess $(srcdir)/tool/config.sub
-$(srcdir)/tool/config.guess:
-	$(Q) $(BASERUBY) -C $(@D) get-config_files $(@F)
-$(srcdir)/tool/config.sub:
-	$(Q) $(BASERUBY) -C $(@D) get-config_files $(@F)
+update-config_files:
+	$(Q) $(BASERUBY) -C "$(srcdir)/tool" \
+	    ../tool/downloader.rb gnu \
+	    config.guess config.sub
 
 update-gems: PHONY
 	$(ECHO) Downloading bundled gem files...