diff --git a/configure.ac b/configure.ac
index 700e01a5..c9bc0a95 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,7 @@ AC_INIT([xf86-video-ati],
 
 AC_CONFIG_SRCDIR([Makefile.am])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIRS([m4])
 
 AC_CONFIG_AUX_DIR(.)