1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/help.el b/lisp/help.el
index b36075b8114..12ef3ab81e2 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -1338,7 +1338,7 @@ out of view."
                          temp-buffer-max-height))
            (win-height (1- (window-height)))
            (min-height (1- window-min-height))
-           (text-height (window-buffer-height(selected-window)))
+           (text-height (count-screen-lines))
            (new-height (max (min text-height max-height) min-height)))
       (enlarge-window (- new-height win-height)))))