diff --git a/test/unit/pipe-to/cmd b/test/unit/pipe-to/cmd
index 146076d6..467f4845 100644
--- a/test/unit/pipe-to/cmd
+++ b/test/unit/pipe-to/cmd
@@ -1,2 +1,2 @@
-<a-|>sed s/foo/bar/ > tmpfile<ret><a-!>cat tmpfile<ret>
+<a-|>sed -n "s/foo/bar/; P" > tmpfile<ret><a-!>cat tmpfile<ret>