if (cst->n_expected > 0 && n_cells != cst->n_expected)
{
msg (ME, _("CHISQUARE test specified %d expected values, but "
- "variable %s has %d distinct values."),
+ "variable %s has %zu distinct values."),
cst->n_expected, var_get_name (var), n_cells);
freq_hmap_destroy (&freq_hash, var_get_width (var));
continue;