diff --git a/test/upstart-jobs/halt.nix b/test/upstart-jobs/halt.nix
index 71e9ae1b536..23b863e803d 100644
--- a/test/upstart-jobs/halt.nix
+++ b/test/upstart-jobs/halt.nix
@@ -28,7 +28,7 @@ script
     sync || true
 
     # Right now all events above power off the system.
-    exec halt -f
+    exec halt -f -p
 end script
   ";