diff --git a/configure.ac b/configure.ac
index 3c09c3c..cfee2a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
 AM_INIT_AUTOMAKE([1.6 dist-bzip2])
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 AC_ISC_POSIX
 AC_PROG_CC