; * src/print.c (print_vectorlike): Fix Lisp_Object type mixup.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/print.c b/src/print.c
index 7bb905b2699..7303e847aa2 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1662,7 +1662,7 @@ print_vectorlike (Lisp_Object obj, Lisp_Object printcharfun, bool escapeflag,
          problems if, for instance, the callback function switches a
          window to this buffer -- this will make Emacs segfault.  */
       if (!NILP (Vprint__unreadable_callback_buffer)
-          && Fbuffer_live_p (Vprint__unreadable_callback_buffer))
+          && !NILP (Fbuffer_live_p (Vprint__unreadable_callback_buffer)))
         {
           record_unwind_current_buffer ();
           set_buffer_internal (XBUFFER (Vprint__unreadable_callback_buffer));