Index: /controller/wpsg_AdminController.class.php
===================================================================
--- /controller/wpsg_AdminController.class.php	(revision 7410)
+++ /controller/wpsg_AdminController.class.php	(revision 7411)
@@ -2130,5 +2130,8 @@
 				$this->update_option('wpsg_ProductPositionNumber', $_REQUEST['wpsg_ProductPositionNumber'], false, false, "key");
 				$this->update_option('wpsg_hideBasketCountrySelect', $_REQUEST['wpsg_hideBasketCountrySelect'], false, false, "key");
-
+				
+				$this->update_option('wpsg_alternativeProductDetailDesign', $_REQUEST['wpsg_alternativeProductDetailDesign'], false, false, "wpsg_checkbox");
+				$this->update_option('wpsg_alternativeOrderDesign', $_REQUEST['wpsg_alternativeOrderDesign'], false, false, "wpsg_checkbox");
+								
 				$this->shop->callMods('admin_presentation_submit');
 
Index: /lib/functions.inc.php
===================================================================
--- /lib/functions.inc.php	(revision 7410)
+++ /lib/functions.inc.php	(revision 7411)
@@ -544,4 +544,5 @@
 			"sanitize_user" => "str",
 			'sanitize_wpsg_in_array' => 'in_array',
+			'sanitize_wpsg_checkbox' => 'checkbox',
 			"wpsg_txt_tbl" => "txt_tbl"			
 		);
@@ -566,4 +567,16 @@
 				break;
 			
+			case 'checkbox':
+				
+				if (!in_array($primary, ['0', '1'])) {
+					
+					$GLOBALS['wpsg_sc']->addBackendError(__('UngÃŒltige Eingaben, bitte ÃŒberprÃŒfen Sie die markierten Felder.', 'wpsg'));
+					
+					return false;
+					
+				}
+				
+				break;
+				
 			case 'in_array':