diff --git a/configure.in b/configure.in
index f6a163b7..2eed95bf 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 
 dnl $Id$
 
-AC_PREREQ(2.61)
+AC_PREREQ(2.59)
 AC_INIT
 AC_CONFIG_SRCDIR([src/tincd.c])
 AM_INIT_AUTOMAKE(tinc, 1.1-cvs)