diff --git a/lisp/ls-lisp.el b/lisp/ls-lisp.el
index f52bdef4b0a..e02bd5db459 100644
--- a/lisp/ls-lisp.el
+++ b/lisp/ls-lisp.el
@@ -312,7 +312,7 @@ are: A a c i r S s t u"
 	     "%b %e %H:%M"
 	   "%b %e  %Y")
 	 time)
-      (error "??? ??  ????"))))
+      (error "Unk  0  0000"))))
 
 (provide 'ls-lisp)