diff --git a/application/controllers/Lotw.php b/application/controllers/Lotw.php
index ecd1c90b1..ee9a42fbe 100644
--- a/application/controllers/Lotw.php
+++ b/application/controllers/Lotw.php
@@ -664,7 +664,7 @@ class Lotw extends CI_Controller {
 				}
 
 				$config['upload_path'] = './uploads/';
-				$file = $config['upload_path'] . 'lotwreport_download.adi';
+				$file = $config['upload_path'] . 'lotwreport_download_'.$sync_user_id.'_auto.adi';
 				if (file_exists($file) && ! is_writable($file)) {
 					$result = "Temporary download file ".$file." is not writable. Aborting!";
 					continue;
@@ -736,7 +736,7 @@ class Lotw extends CI_Controller {
 		$this->load->model('logbook_model');
 
 		if (($this->input->post('lotwimport') == 'fetch') && (!($this->config->item('disable_manual_lotw')))) {
-			$file = $config['upload_path'] . 'lotwreport_download.adi';
+			$file = $config['upload_path'] . 'lotwreport_download_'.$this->session->userdata('user_id').'.adi';
 
 			// Get credentials for LoTW
 			$query = $this->user_model->get_by_id($this->session->userdata('user_id'));
diff --git a/application/controllers/Qrz.php b/application/controllers/Qrz.php
index ea44f343f..0b5a46c1d 100644
--- a/application/controllers/Qrz.php
+++ b/application/controllers/Qrz.php
@@ -345,7 +345,7 @@ class Qrz extends CI_Controller {
 
 	function mass_download_qsos($qrz_api_key = '', $lastqrz = '1900-01-01', $station_ids = '', $trusted = false) {
 		$config['upload_path'] = './uploads/';
-		$file = $config['upload_path'] . 'qrzcom_download_report.adi';
+		$file = $config['upload_path'] . 'qrzcom_download_report_'.md5($qrz_api_key).'.adi';
 		if (file_exists($file) && ! is_writable($file)) {
 			$result = "Temporary download file ".$file." is not writable. Aborting!";
 			return false;