diff --git a/lib/autoload.php b/lib/autoload.php
index a8114ad..cb9579f 100644
--- a/lib/autoload.php
+++ b/lib/autoload.php
@@ -22,8 +22,8 @@ if(@include(__DIR__."/config.php")) {
 if(!($request_uri == "/setup")) {
   $pdo = new \PDO('mysql:dbname='.DB_NAME.';host='.DB_HOST.';charset=utf8mb4', DB_USER, DB_PASS);
   $auth = new \Bloggr\Auth($pdo);
-}
 
-if ($auth->isLoggedIn()) {
-  echo 'Eingeloggt als <b>'.$auth->getUsernameById($auth->getId()).'</b>';
+  if ($auth->isLoggedIn()) {
+    echo 'Eingeloggt als <b>'.$auth->getUsernameById($auth->getId()).'</b>';
+  }
 }
diff --git a/lib/sql/db.sql b/lib/sql/db.sql
index 996c537..4dd8924 100644
--- a/lib/sql/db.sql
+++ b/lib/sql/db.sql
@@ -17,10 +17,11 @@ CREATE TABLE IF NOT EXISTS `users` (
 --
 
 CREATE TABLE `posts` (
-  `id` int(11) UNSIGNED NOT NULL,
+  `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT,
   `user` int(11) UNSIGNED NOT NULL,
   `title` varchar(128) CHARACTER SET utf8mb4 NOT NULL,
   `text` longtext CHARACTER SET utf8mb4 NOT NULL,
   `created_at` int(10) UNSIGNED NOT NULL,
-  `updated_at` int(10) UNSIGNED DEFAULT NULL
+  `updated_at` int(10) UNSIGNED DEFAULT NULL,
+  PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;