diff --git a/Makefile.am.patch b/Makefile.am.patch
new file mode 100644
index 0000000..f6b9636
--- /dev/null
+++ b/Makefile.am.patch
@@ -0,0 +1,11 @@
+--- Makefile.am.orig	2017-10-27 10:36:06.950019257 +0200
++++ Makefile.am	2017-10-27 10:36:44.827191898 +0200
+@@ -27,6 +27,8 @@
+ conffile.yy.c: conffile.l conffile.tab.h
+ 	flex -o $@ $<
+ 
++router.c: conffile.tab.h
++
+ man:
+ 	sed -e '/travis-ci.org\/grobian\/carbon-c-relay.svg/d' carbon-c-relay.md | \
+ 	ronn \