diff --git a/configure.ac b/configure.ac
index 450d242..a471960 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_HOST
 
 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])])
 
 # m4_ifdef([AM_GNU_GETTEXT_VERSION], [