* lisp/window.el (display-buffer-in-previous-window): Add symbolp (bug#50576)

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/window.el b/lisp/window.el
index 2960384e152..3b897eb0bac 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -8363,7 +8363,8 @@ indirectly called by the latter."
             (throw 'best t)))))
     ;; When ALIST has a `previous-window' entry, that entry may override
     ;; anything we found so far.
-    (when (and previous-window (boundp previous-window))
+    (when (and previous-window (symbolp previous-window)
+               (boundp previous-window))
       (setq previous-window (symbol-value previous-window)))
     (when (and (setq window previous-window)
                (window-live-p window)