1 files changed, 1 insertions, 1 deletions

diff --git a/src/menu.c b/src/menu.c
index eaf05ff3cba..3e466b46aa3 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -976,7 +976,7 @@ find_and_return_menu_selection (FRAME_PTR f, int keymaps, void *client_data)
 
   prefix = entry = Qnil;
   i = 0;
-  subprefix_stack = alloca (menu_items_used * sizeof (Lisp_Object));
+  subprefix_stack = alloca (menu_items_used * word_size);
 
   while (i < menu_items_used)
     {