--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE
 dnl AC_CONFIG_SRCDIR([acconfig.h])
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 AC_LANG(C++)
 
 # Variables used by the FAM source.