diff --git a/test/lisp/eshell/eshell-tests.el b/test/lisp/eshell/eshell-tests.el
index 8c049cb342d..bf7ec0389f0 100644
--- a/test/lisp/eshell/eshell-tests.el
+++ b/test/lisp/eshell/eshell-tests.el
@@ -150,7 +150,7 @@ This test uses a pipeline for the command."
       (eshell-command "*echo hi | *cat &")
       (with-current-buffer "*Eshell Async Command Output*"
         (goto-char (point-min))
-        (should (looking-at "\\[cat\\(\\.exe\\)\\(<[0-9]+>\\)?\\]"))))))
+        (should (looking-at "\\[cat\\(\\.exe\\)?\\(<[0-9]+>\\)?\\]"))))))
 
 (ert-deftest eshell-test/command-running-p ()
   "Modeline should show no command running"