diff --git a/ChangeLog b/ChangeLog
index 1b7ae7702..88b76cccf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-13  Keisuke Nishida  <knishida@nurs.or.jp>
+
+	* autogen.sh: Call libtoolize with --force.
+
 2001-07-10  Thien-Thi Nguyen  <ttn@revel.glug.org>
 
 	* INSTALL: Point to HACKING for tool versions.
diff --git a/autogen.sh b/autogen.sh
index 1e92ab4b9..10bf34a30 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -7,7 +7,7 @@
 
 ./guile-aclocal.sh
 
-libtoolize --copy --automake --ltdl
+libtoolize --copy --force --automake --ltdl
 autoheader
 autoconf
 automake --add-missing