diff --git a/autogen.sh b/autogen.sh
index 58209a34e76..a347f68b626 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,3 +1,3 @@
 # generate a new autoconf
 aclocal -I m4
-autoconf
\ No newline at end of file
+autoconf -f