diff --git a/ChangeLog b/ChangeLog
index ed1857f98e..46cded4c9c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jan 29 01:38:02 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* common.mk ($(srcdir)/revision.h): no need to show ifchange execution
+	  because ifchange echos updated or unchaned.
+
 Tue Jan 29 01:26:23 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (up): use last changed revision.
diff --git a/common.mk b/common.mk
index f22781c8e9..764a3bbed8 100644
--- a/common.mk
+++ b/common.mk
@@ -730,7 +730,7 @@ $(srcdir)/revision.h: $(REVISION_FORCE)
 	@set LC_MESSAGES=C
 	-@$(SET_LC_MESSAGES) $(VCS) info "$(@D)" | \
 	sed -n "s/.*Rev:/#define RUBY_REVISION/p" > "$@.tmp"
-	$(IFCHANGE) "$@" "$@.tmp"
+	@$(IFCHANGE) "$@" "$@.tmp"
 
 $(srcdir)/ext/ripper/ripper.c:
 	cd $(srcdir)/ext/ripper && exec $(MAKE) -f depend $(MFLAGS) top_srcdir=../.. srcdir=.