diff --git a/src/proto/menu.pro b/src/proto/menu.pro
index 95ee48b..b95f531 100644
--- a/src/proto/menu.pro
+++ b/src/proto/menu.pro
@@ -23,4 +23,5 @@
 void winbar_click(win_T *wp, int col);
 vimmenu_T *gui_find_menu(char_u *path_name);
 void ex_menutranslate(exarg_T *eap);
+void f_menu_info(typval_T *argvars, typval_T *rettv);
 /* vim: set ft=c : */