Load correct number of items when using Views Load More

YOUR_MODULE_NAME.views.inc

<?php

/**
 * Implements hook_views_query_alter()
 */

function views_pager_mod_views_pre_execute(&$view) {
  // some data to be used
  $query_params = drupal_get_query_parameters();

  // Load the amount of items the user was looking at previous on Listings
  if ($view->name == 'listing' and isset($query_params['historypage'])) {
    $query = $view->build_info['query'];
    $limit = $view->query->limit + ($query_params['historypage'] * $view->query->limit);
    $query->range(0, $limit);
  }
}