diff --git a/php/classes.list.php b/php/classes.list.php
index 226bd04..f2bd435 100644
--- a/php/classes.list.php
+++ b/php/classes.list.php
@@ -30,23 +30,17 @@
       include $_SESSION["docroot"].'/config/config.php';
       include $_SESSION["docroot"].'/php/connect.php';
       if(!is_int($einheit)){
-        $unit_query = "SELECT * FROM `Einheit` WHERE `Name` = \"$einheit\"";
-        // $unit_query = $mysqli->prepare("SELECT * FROM `Einheit` WHERE `Name` = :einheit");
-        // $unit_query->bind_param(":einheit", $einheit);
-        $result = $mysqli->query($unit_query);
+        $unit_query = $mysqli->prepare("SELECT * FROM `Einheit` WHERE `Name` = ?");
+        $unit_query->bind_param("s", $einheit);
+        $unit_query->execute();
+        $result = $unit_query->get_result();
         while($row = $result->fetch_assoc()){
           $einheit = $row["ID"];
         }
       }
-      // $insertQuery = "INSERT INTO `Einkauf` (`Anzahl`, `Einheit`, `Name`, `Erledigt`) VALUES (".$anzahl.", ".$einheit.", '".$name."', 0)";
       $insertQuery = $mysqli->prepare("INSERT INTO `Einkauf` (`Anzahl`, `Einheit`, `Name`, `Erledigt`) VALUES (?, ?, ?, 0)");
       $insertQuery->bind_param("sss", $anzahl, $einheit, $name);
       $result = $insertQuery->execute();
-      var_dump($result);
-      // $insertQuery->bind_param(":einheit", $einheit);
-      // $insertQuery->bind_param(":itemname", $name);
-      // $insertQuery->execute();
-      // $mysqli->query($insertQuery);
       $mysqli->close();
     }