#ifdef HAS_SETEUID
DEBUG_u(PerlIO_printf(Perl_debug_log,
- "%s %d %"Uid_t_f" %"Uid_t_f"\n", s, PL_tainted, PL_uid, PL_euid));
+ "%s %d %"Uid_t_f" %"Uid_t_f"\n", s, PL_tainted, (long unsigned int)PL_uid, (long unsigned int)PL_euid));
#endif
if (PL_tainted) {