first_dv = dv;
else if (first_dv->n_values != dv->n_values)
{
- msg (SE, _("Dummy variable `%s' had %d substitutions, so `%s' must "
- "also, but %d were specified."),
+ msg (SE, _("Dummy variable `%s' had %zu substitutions, so `%s' must "
+ "also, but %zu were specified."),
first_dv->name, first_dv->n_values,
dv->name, dv->n_values);
goto error;