diff --git a/ChangeLog b/ChangeLog
index aebd1dad..8d1fb85b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-25  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+	* configure.ac(AC_CONFIG_HEADERS): Replace the old AM_CONFIG_HEADER
+	by this; automake 1.13+ barfs.
+
 2013-03-12  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
 
 	* avrdude.conf.in (ATmega2564RFR2, ATmega1284RFR2, ATmega644RFR2):
diff --git a/configure.ac b/configure.ac
index 6e688c59..01e110d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ AC_CANONICAL_TARGET
 
 AC_CONFIG_SRCDIR([main.c])
 AM_INIT_AUTOMAKE
-AM_CONFIG_HEADER(ac_cfg.h)
+AC_CONFIG_HEADERS(ac_cfg.h)
 
 # Checks for programs.
 AC_PROG_CC