diff --git a/lib/dune b/lib/dune
index 2266b87..344c704 100644
--- a/lib/dune
+++ b/lib/dune
@@ -8,7 +8,7 @@
(rule
(targets GIT_COMMIT)
(deps (:x ../bin/git_commit.sh))
- (action (with-stdout-to %{targets} (run %{x})))
+ (action (with-stdout-to %{targets} (run echo None)))
)
