diff --git a/lib/Driver/Sql.php b/lib/Driver/Sql.php
index a67fdf7..b8da39d 100644
--- a/lib/Driver/Sql.php
+++ b/lib/Driver/Sql.php
@@ -130,7 +130,7 @@ public function getByUID($uid, $passphrase = null)
             throw new Mnemo_Exception($e->getMessage());
         }
 
-        if ($row) {
+        if (!$row) {
             throw new Horde_Exception_NotFound('Not found');
         }
         $this->_notepad = $row['memo_owner'];