diff --git gdb/fbsd-tdep.c gdb/fbsd-tdep.c
index 5d17f03..9609cd8 100644
--- gdb/fbsd-tdep.c
+++ gdb/fbsd-tdep.c
@@ -89,7 +89,7 @@ fbsd_collect_regset_section_cb (const char *sect_name, int size,
 static char *
 fbsd_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
 {
-  const struct regcache *regcache = get_current_regcache ();
+  struct regcache *regcache = get_current_regcache ();
   char *note_data;
   Elf_Internal_Ehdr *i_ehdrp;
   struct fbsd_collect_regset_section_cb_data data;
@@ -104,6 +104,7 @@ fbsd_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
   data.obfd = obfd;
   data.note_data = NULL;
   data.note_size = note_size;
+  target_fetch_registers (regcache, -1);
   gdbarch_iterate_over_regset_sections (gdbarch,
 					fbsd_collect_regset_section_cb,
 					&data, regcache);