diff --git a/configure.ac b/configure.ac
index d20e8c9..28c7bd3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_INIT(virt-viewer, 0.5.4)
 AC_CONFIG_SRCDIR(src/virt-viewer-main.c)
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 dnl Make automake keep quiet about wildcards & other GNUmake-isms
 AM_INIT_AUTOMAKE([-Wno-portability])
 AC_CANONICAL_HOST