diff --git a/configure.in b/configure.in
index ee00530..5f12377 100644
--- a/configure.in
+++ b/configure.in
@@ -18,7 +18,7 @@ AC_INIT([am-utils],
 
 AC_MSG_NOTICE(*** INITIALIZATION ***)
 AC_CONFIG_SRCDIR([amd/amd.c])
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 AH_TOP([
 /*
  * Start of am-utils-6.x config.h file.