diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -2712,7 +2712,7 @@
 
 #define	MAX_NOTES_LOOP	4096
 bool
-__elfN(parse_notes)(const struct image_params *imgp, Elf_Note *checknote,
+__elfN(parse_notes)(const struct image_params *imgp, const Elf_Note *checknote,
     const char *note_vendor, const Elf_Phdr *pnote,
     bool (*cb)(const Elf_Note *, void *, bool *), void *cb_arg)
 {
diff --git a/sys/sys/imgact_elf.h b/sys/sys/imgact_elf.h
--- a/sys/sys/imgact_elf.h
+++ b/sys/sys/imgact_elf.h
@@ -123,7 +123,7 @@
 void	__elfN(size_segments)(struct thread *, struct sseg_closure *, int);
 size_t	__elfN(register_note)(struct thread *, struct note_info_list *,
 	    int, outfunc_t, void *);
-bool	__elfN(parse_notes)(const struct image_params *, Elf_Note *,
+bool	__elfN(parse_notes)(const struct image_params *, const Elf_Note *,
 	    const char *, const Elf_Phdr *,
 	    bool (*)(const Elf_Note *, void *, bool *), void *);