diff --git a/autogen.sh b/autogen.sh
index fc34bd5..34a9bb2 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,7 +6,7 @@ test -z "$srcdir" && srcdir=.
 ORIGDIR=`pwd`
 cd $srcdir
 
-autoreconf -v --install || exit 1
+autoreconf -v -f --install || exit 1
 cd $ORIGDIR || exit $?
 
 if test -z "$NOCONFIGURE"; then