--- ./configure.ac.orig	2012-12-31 15:46:58.239163472 +0000
+++ ./configure.ac	2012-12-31 15:47:47.289600890 +0000
@@ -20,7 +20,7 @@
 AC_INIT
 AC_CONFIG_SRCDIR([src/jconfig.c])
 AM_INIT_AUTOMAKE(jwhois,4.0)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADER(config.h)
 
 AH_TEMPLATE([PACKAGE], [package name])
 AH_TEMPLATE([VERSION], [package version])