diff --git a/configure.ac b/configure.ac
index 8379225..7aa9108 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ AC_CANONICAL_HOST
 AC_ISC_POSIX
 
 AM_INIT_AUTOMAKE(1.6 dist-bzip2)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 AC_C_BIGENDIAN
 AC_PROG_CC