diff --git a/configure.ac b/configure.ac
index ecc6b67..8373892 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,8 +1,8 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT(include/gavl/gavl.h)
-
-AM_CONFIG_HEADER(include/gavl/config.h)
+AC_INIT
+AC_CONFIG_SRCDIR([include/gavl/gavl.h])
+AC_CONFIG_HEADERS([include/gavl/config.h])
 
 AM_INIT_AUTOMAKE(gavl, 1.4.0)