diff --git a/configure.ac b/configure.ac
index 9fe9837..ee55dbf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,7 +28,7 @@ AC_CANONICAL_HOST
 AC_ISC_POSIX
 
 AM_INIT_AUTOMAKE(1.6 dist-bzip2)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])