diff --git a/lisp/man.el b/lisp/man.el
index 7ba7bee4176b..50bfce720d8f 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -1229,7 +1229,7 @@ See the variable `Man-notify-method' for the different notification behaviors."
       ('friendly
        (and (frame-live-p saved-frame)
             (select-frame saved-frame))
-       (display-buffer man-buffer 'not-this-window))
+       (display-buffer man-buffer))
       ('thrifty
        (and (frame-live-p saved-frame)
             (select-frame saved-frame))