Get days with posts ERROR

After select the any month or year (not current) – the calendar displays a limited number of Post. (presets in general settings WP).

Must be corrected file ajax-archive-calendar.php str.335
just add ‘numberposts’ => $last_day,

// Get days with posts
	$dayswithposts = get_posts(array(
		'suppress_filters' => false,
		'post_type' => 'post',
		'post_status' => 'publish',
		'monthnum' => $thismonth,
		'year' => $thisyear,
		'numberposts' => $last_day,
	));