(jump-to-register): Don't fail if frame-configuration-p is unbound.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/register.el b/lisp/register.el
index 114f25fa8fd..bae40ee165c 100644
--- a/lisp/register.el
+++ b/lisp/register.el
@@ -84,7 +84,8 @@ Argument is a character, naming the register."
   (interactive "cJump to register: ")
   (let ((val (get-register char)))
     (cond
-     ((frame-configuration-p val)
+     ((and (fboundp 'frame-configuration-p)
+           (frame-configuration-p val))
       (set-frame-configuration val))
      ((window-configuration-p val)
       (set-window-configuration val))