1 files changed, 1 insertions, 1 deletions

diff --git a/src/lisp.h b/src/lisp.h
index e6a4634f02b..997120ff958 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2435,7 +2435,7 @@ extern void malloc_warning P_ ((char *));
 extern void memory_full P_ ((void));
 extern void buffer_memory_full P_ ((void));
 extern int survives_gc_p P_ ((Lisp_Object));
-extern void mark_object P_ ((Lisp_Object *));
+extern void mark_object P_ ((Lisp_Object));
 extern Lisp_Object Vpurify_flag;
 extern Lisp_Object Vmemory_full;
 EXFUN (Fcons, 2);