diff --git a/Makefile.am b/Makefile.am
index f410af4094..28546be18c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -426,6 +426,7 @@ AUX_FILES =						\
   gnu/packages/aux-files/linux-libre/4.9-x86_64.conf	\
   gnu/packages/aux-files/pack-audit.c			\
   gnu/packages/aux-files/python/sanity-check.py		\
+  gnu/packages/aux-files/python/sanity-check-next.py	\
   gnu/packages/aux-files/python/sitecustomize.py	\
   gnu/packages/aux-files/renpy/renpy.in	\
   gnu/packages/aux-files/run-in-namespace.c