diff --git a/configure.ac b/configure.ac
index b1b2463..12c4e39 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@ AC_CANONICAL_HOST
 AC_ISC_POSIX
 
 AM_INIT_AUTOMAKE(1.6)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 AC_PROG_CC
 AM_PROG_CC_STDC