--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(src/scourge.h)
 AM_INIT_AUTOMAKE(scourge, "0.21")
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 dnl internationalization macros
 AC_GNU_SOURCE