diff --git a/Makefile.am b/Makefile.am
index 3e5253f..95b1f25 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in
 
-AUTOMAKE_OPTIONS=subdir-objects
+AUTOMAKE_OPTIONS = subdir-objects foreign
 
 # Make sure that when we re-make ./configure, we get the macros we need
 ACLOCAL_AMFLAGS = -I m4