diff --git a/test/blackbox-tests/test-cases/exec-watch/dune b/test/blackbox-tests/test-cases/exec-watch/dune
index cbc3465ea64..ad6ea80b052 100644
--- a/test/blackbox-tests/test-cases/exec-watch/dune
+++ b/test/blackbox-tests/test-cases/exec-watch/dune
@@ -23,5 +23,6 @@
   exec-watch-server
   exec-watch-ignore-sigterm
   exec-signal
+  exec-watch-fail
   exec-watch-basic)
  (enabled_if false))