diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index 3e992bb91..9106415fd 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -5449,7 +5449,7 @@ This function is invoked if `org-agenda-todo-ignore-deadlines',
 	  (and org-agenda-todo-ignore-deadlines
 	       (re-search-forward org-deadline-time-regexp end t)
 	       (cond
-		((memq org-agenda-todo-ignore-deadlines '(t all)) t)
+		((eq org-agenda-todo-ignore-deadlines 'all) t)
 		((eq org-agenda-todo-ignore-deadlines 'far)
 		 (not (org-deadline-close-p (match-string 1))))
 		((eq org-agenda-todo-ignore-deadlines 'future)