#ifndef NDEBUG
if (ly_is_procedure (creation_callback))
scm_apply_0 (creation_callback,
- scm_list_n (grob->self_scm (), scm_from_locale_string (file),
- scm_from_int (line), scm_from_locale_string (fun), SCM_UNDEFINED));
+ scm_list_n (grob->self_scm (), scm_from_utf8_string (file),
+ scm_from_int (line), scm_from_ascii_string (fun), SCM_UNDEFINED));
#endif
return grob;