diff --git a/lisp/tooltip.el b/lisp/tooltip.el
index 0881a7c7bf9..6f8a489e60c 100644
--- a/lisp/tooltip.el
+++ b/lisp/tooltip.el
@@ -200,7 +200,7 @@ This might return nil if the event did not occur over a buffer."
 (defun tooltip-start-delayed-tip ()
   "Add a one-shot timeout to call function `tooltip-timeout'."
   (setq tooltip-timeout-id
-        (run-with-timer (tooltip-delay) 'tooltip-timeout nil)))
+        (run-with-timer (tooltip-delay) nil 'tooltip-timeout nil)))
 
 (defun tooltip-timeout (_object)
   "Function called when timer with id `tooltip-timeout-id' fires."