--- tuxmath.old/trunk/configure.in
+++ tuxmath/trunk/configure.in
@@ -7,7 +7,7 @@
 AC_CANONICAL_TARGET
 
 AM_INIT_AUTOMAKE(tuxmath, 1.5)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 AM_MAINTAINER_MODE
 
 NAME_VERSION=$PACKAGE-$VERSION