diff --git a/configure.ac b/configure.ac
index 7238894..5fadf56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,5 +8,6 @@ m4_ifndef([XORG_MACROS_VERSION],
 XORG_MACROS_VERSION(1.3)
 XORG_DEFAULT_OPTIONS
 
-AC_OUTPUT([Makefile
+AC_CONFIG_FILES([Makefile
            dri2proto.pc])
+AC_OUTPUT