diff --git a/public_html/index.php b/public_html/index.php
index 83f9c48..e3aa103 100755
--- a/public_html/index.php
+++ b/public_html/index.php
@@ -84,7 +84,7 @@
 			// logout from admin
 			$R->get('logout/?', function(){
 				$_SERVER['REQUEST_METHOD'] = 'POST';
-				$req = new Request('authentificationDefault/admin', ['username' => ' ', 'password' => '']);
+				$req = new Request('authentificationDefault/admin', ['username' => '-', 'password' => '']);
 				$res = $req->dispatch();
 				header('Location: /');
 			});
@@ -108,7 +108,7 @@
 			// warehouse logout
 			$R->get('logout/?', function(){
 				$_SERVER['REQUEST_METHOD'] = 'POST';
-				(new Request('authentificationDefault/warehouse', ['name' => '   ', 'password' => '']))->dispatch();
+				(new Request('authentificationDefault/warehouse', ['name' => '---', 'password' => '']))->dispatch();
 				header('Location: /');
 			});