diff --git a/src/proto/option.pro b/src/proto/option.pro
index 4a49d89..fbe2f09 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -17,9 +17,10 @@
 void free_string_option __ARGS((char_u *p));
 void clear_string_option __ARGS((char_u **pp));
 void set_term_option_alloced __ARGS((char_u **p));
-int was_set_insecurely __ARGS((char_u *opt));
+int was_set_insecurely __ARGS((char_u *opt, int opt_flags));
 void set_string_option_direct __ARGS((char_u *name, int opt_idx, char_u *val, int opt_flags));
 char_u *check_stl_option __ARGS((char_u *s));
+void set_option_scriptID __ARGS((char_u *name, int id));
 int get_option_value __ARGS((char_u *name, long *numval, char_u **stringval, int opt_flags));
 void set_option_value __ARGS((char_u *name, long number, char_u *string, int opt_flags));
 char_u *get_term_code __ARGS((char_u *tname));