diff --git a/upload/install/include/install_function.php b/upload/install/include/install_function.php
index c23c7362532731ed12b9bb30c688ae79e5342765..32b6dcab816dea61f7ab9bac24440e31fb351351 100644
--- a/upload/install/include/install_function.php
+++ b/upload/install/include/install_function.php
@@ -1678,7 +1678,7 @@ function uc_write_config($config, $file, $password) {
 	$config .= "define('UC_PPP', 20);\r\n";
 	$config .= "define('UC_ONLYREMOTEADDR', 1);\r\n";
 	$config .= "define('UC_IPGETTER', 'header');\r\n";
-	$config .= "define('UC_IPGETTER_HEADER', array('header' => 'HTTP_X_FORWARDED_FOR'));\r\n";
+	$config .= "// define('UC_IPGETTER_HEADER', serialize(array('header' => 'HTTP_X_FORWARDED_FOR')));\r\n";
 
 	file_put_contents($file, $config);
 }
diff --git a/upload/uc_client/model/base.php b/upload/uc_client/model/base.php
index d9b514c8c57b67e7b2d29a87904c0035d8555b82..3772401008a7ea005915ebf34a8af2f2ab0fdd5d 100644
--- a/upload/uc_client/model/base.php
+++ b/upload/uc_client/model/base.php
@@ -57,7 +57,7 @@ class base {
 		if (!defined('UC_ONLYREMOTEADDR') || (defined('UC_ONLYREMOTEADDR') && !constant('UC_ONLYREMOTEADDR'))) {
 			require_once UC_ROOT.'./lib/ucip.class.php';
 			if(defined('UC_IPGETTER') && !empty(constant('UC_IPGETTER'))) {
-				$s = defined('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) && is_array(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) ? constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) : array();
+				$s = defined('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) ? (is_string(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) ? unserialize(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) : constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) : array();
 				$c = 'ucip_getter_'.strtolower(constant('UC_IPGETTER'));
 				require_once UC_ROOT.'./lib/'.$c.'.class.php';
 				$r = $c::get($s);
diff --git a/upload/uc_server/install/func.inc.php b/upload/uc_server/install/func.inc.php
index d41a0114d0175e3be8b9439c0b65dcda706ca588..6c6ea78ac28ebcb597b4f2e05db0bd023dff86c0 100644
--- a/upload/uc_server/install/func.inc.php
+++ b/upload/uc_server/install/func.inc.php
@@ -643,7 +643,7 @@ function config_edit() {
 	$config .= "define('UC_PPP', 20);\r\n";
 	$config .= "define('UC_ONLYREMOTEADDR', 1);\r\n";
 	$config .= "define('UC_IPGETTER', 'header');\r\n";
-	$config .= "define('UC_IPGETTER_HEADER', array('header' => 'HTTP_X_FORWARDED_FOR'));\r\n";
+	$config .= "// define('UC_IPGETTER_HEADER', serialize(array('header' => 'HTTP_X_FORWARDED_FOR')));\r\n";
 
 	file_put_contents(CONFIG, $config);
 }
diff --git a/upload/uc_server/model/base.php b/upload/uc_server/model/base.php
index 59ee3b61fe2e7e44fe9afc3317c00e50ef916c1c..3cdba5f6b48cc982cbd032a09dcd6662e7c0de09 100644
--- a/upload/uc_server/model/base.php
+++ b/upload/uc_server/model/base.php
@@ -50,7 +50,7 @@ class base {
 		if (!defined('UC_ONLYREMOTEADDR') || (defined('UC_ONLYREMOTEADDR') && !constant('UC_ONLYREMOTEADDR'))) {
 			require_once UC_ROOT.'./lib/ucip.class.php';
 			if(defined('UC_IPGETTER') && !empty(constant('UC_IPGETTER'))) {
-				$s = defined('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) && is_array(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) ? constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) : array();
+				$s = defined('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER'))) ? (is_string(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) ? unserialize(constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) : constant('UC_IPGETTER_'.strtoupper(constant('UC_IPGETTER')))) : array();
 				$c = 'ucip_getter_'.strtolower(constant('UC_IPGETTER'));
 				require_once UC_ROOT.'./lib/'.$c.'.class.php';
 				$r = $c::get($s);