diff --git a/README.md b/README.md
index 8e4d031..6ee0b03 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This repository contains the PrestaShop wallee payment module that enables the s
 
 ## Documentation
 
-* [English](https://plugin-documentation.wallee.com/wallee-payment/prestashop-1.6/1.2.29/docs/en/documentation.html)
+* [English](https://plugin-documentation.wallee.com/wallee-payment/prestashop-1.6/1.2.30/docs/en/documentation.html)
 
 ## Support
 
@@ -23,7 +23,7 @@ Support queries can be issued on the [wallee support site](https://app-wallee.co
 
 ## License
 
-Please see the [license file](https://github.com/wallee-payment/prestashop-1.6/blob/1.2.29/LICENSE) for more information.
+Please see the [license file](https://github.com/wallee-payment/prestashop-1.6/blob/1.2.30/LICENSE) for more information.
 
 ## Other PrestaShop Versions
 
diff --git a/docs/en/documentation.html b/docs/en/documentation.html
index 7cd2fbf..a70ca6e 100644
--- a/docs/en/documentation.html
+++ b/docs/en/documentation.html
@@ -22,7 +22,7 @@ <h2>Documentation</h2>				</div>
 		</a>
 	</li>
 	<li>
-		<a href="https://github.com/wallee-payment/prestashop-1.6/releases/tag/1.2.29/">
+		<a href="https://github.com/wallee-payment/prestashop-1.6/releases/tag/1.2.30/">
 			Source
 		</a>
 	</li>
@@ -54,7 +54,7 @@ <h1>
 					<div class="olist arabic">
 <ol class="arabic">
 <li>
-<p><a href="https://github.com/wallee-payment/prestashop-1.6/releases/tag/1.2.29/">Download</a> the module.</p>
+<p><a href="https://github.com/wallee-payment/prestashop-1.6/releases/tag/1.2.30/">Download</a> the module.</p>
 </li>
 <li>
 <p>Login to the backend of your PrestsShop store.</p>
diff --git a/inc/Basemodule.php b/inc/Basemodule.php
index 5d6f01e..de8d940 100644
--- a/inc/Basemodule.php
+++ b/inc/Basemodule.php
@@ -141,7 +141,8 @@ public static function installHooks(Wallee $module)
             $module->registerHook('displayAdminOrderTabContent') &&
             $module->registerHook('displayAdminOrderMain') && $module->registerHook('displayAdminOrderTabLink') &&
             $module->registerHook('displayBackOfficeHeader') && $module->registerHook('displayOrderDetail') &&
-            $module->registerHook('actionProductCancel') && $module->registerHook('walleeSettingsChanged');
+            $module->registerHook('actionProductCancel') && $module->registerHook('walleeSettingsChanged') &&
+            $module->registerHook('actionOrderSlipAdd');
     }
 
     public static function installConfigurationValues()
@@ -1834,11 +1835,10 @@ public static function hookDisplayBackOfficeHeader(Wallee $module, $params)
         }
         self::handleVoucherAddRequest($module);
         self::handleVoucherDeleteRequest($module);
-        self::handleRefundRequest($module);
+        // self::handleRefundRequest($module);
         self::handleCancelProductRequest($module);
     }
 
-
     private static function handleVoucherAddRequest(Wallee $module)
     {
         if (array_key_exists('submitNewVoucher', $_POST)) {
diff --git a/views/templates/admin/admin_help_buttons.tpl b/views/templates/admin/admin_help_buttons.tpl
index 13cfbad..74f8014 100644
--- a/views/templates/admin/admin_help_buttons.tpl
+++ b/views/templates/admin/admin_help_buttons.tpl
@@ -10,5 +10,5 @@
 <div class="alert alert-info">
 <img src="../modules/wallee/logo.png" style="float:left; margin-right:15px;" height="50">
 <p><strong>{l s='This module requires an %s account.' sprintf='wallee' mod='wallee'}</strong></p>
-<p><a class="btn btn-default" href="https://app-wallee.com/user/signup" target="_blank">{l s='Sign Up' mod='wallee'}</a> <a class="btn btn-default" href="https://plugin-documentation.wallee.com/wallee-payment/prestashop-1.6/1.2.29/docs/en/documentation.html" target="_blank">{l s='Documentation' mod='wallee'}</a></p>
+<p><a class="btn btn-default" href="https://app-wallee.com/user/signup" target="_blank">{l s='Sign Up' mod='wallee'}</a> <a class="btn btn-default" href="https://plugin-documentation.wallee.com/wallee-payment/prestashop-1.6/1.2.30/docs/en/documentation.html" target="_blank">{l s='Documentation' mod='wallee'}</a></p>
 </div>
\ No newline at end of file
diff --git a/wallee.php b/wallee.php
index 158bde3..797fdf6 100644
--- a/wallee.php
+++ b/wallee.php
@@ -34,7 +34,7 @@ public function __construct()
         $this->author = 'Customweb GmbH';
         $this->bootstrap = true;
         $this->need_instance = 0;
-        $this->version = '1.2.29';
+        $this->version = '1.2.30';
         $this->displayName = 'wallee';
         $this->description = $this->l('This PrestaShop module enables to process payments with %s.');
         $this->description = sprintf($this->description, 'wallee');