1 files changed, 1 insertions, 1 deletions

diff --git a/src/print.c b/src/print.c
index b89d5685fba..e3f6b01f50c 100644
--- a/src/print.c
+++ b/src/print.c
@@ -2054,7 +2054,7 @@ print_object (Lisp_Object obj, register Lisp_Object printcharfun, int escapeflag
                   {
                     Lisp_Object maybe = ((Lisp_Object *) v->pointer)[i];
 
-                    if (valid_lisp_object_p (maybe))
+                    if (valid_lisp_object_p (maybe) > 0)
                       {
                         PRINTCHAR (' ');
                         print_object (maybe, printcharfun, escapeflag);