1 files changed, 1 insertions, 1 deletions

diff --git a/src/lisp.h b/src/lisp.h
index a6fbe28b026..9e0a769d55c 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2151,7 +2151,7 @@ extern void prepare_menu_bars P_ ((void));
 extern void syms_of_xdisp P_ ((void));
 extern void init_xdisp P_ ((void));
 extern Lisp_Object safe_eval P_ ((Lisp_Object));
-extern int pos_visible_p P_ ((struct window *, int, int *));
+extern int pos_visible_p P_ ((struct window *, int, int *, int));
 
 /* Defined in vm-limit.c.  */
 extern void memory_warnings P_ ((POINTER_TYPE *, void (*warnfun) ()));