Not sorting correctly on frontend

Though the populair posts are displayed correctly in the admin, they are not in the frontend.

In wordpress-popular-posts.php on line 1053 I had to add:

elseif ( $instance['order_by'] == "views" ) {
						$from .= "ORDER BY pageviews DESC";
					}

http://ww.wp.xz.cn/plugins/wordpress-popular-posts/