diff --git a/tinyfilemanager.php b/tinyfilemanager.php
index 85079f9..2df6e8d 100644
--- a/tinyfilemanager.php
+++ b/tinyfilemanager.php
@@ -246,7 +246,9 @@ if (isset($_GET['logout'])) {
 // Validate connection IP
 if ($ip_ruleset != 'OFF') {
     function getClientIP() {
-        if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
+        if (array_key_exists('HTTP_CF_CONNECTING_IP', $_SERVER)) {
+            return  $_SERVER["HTTP_CF_CONNECTING_IP"];
+        }else if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
             return  $_SERVER["HTTP_X_FORWARDED_FOR"];
         }else if (array_key_exists('REMOTE_ADDR', $_SERVER)) {
             return $_SERVER['REMOTE_ADDR'];