diff --git a/meinebuecher.php b/meinebuecher.php
index 8765351..8b9ff0b 100644
--- a/meinebuecher.php
+++ b/meinebuecher.php
@@ -110,7 +110,7 @@ $db_link = mysqli_connect('localhost', 'web_b-3', 'een7Ao6s', 'bibliothek_candle
 	 header("Location: benutzer_existiert_nicht.html");
         }
    }else{
-    echo'not set';
+    header("Location: 404.html");
    }
     
 ?>
diff --git a/warenkorb.php b/warenkorb.php
index c4fa864..0555932 100644
--- a/warenkorb.php
+++ b/warenkorb.php
@@ -127,7 +127,7 @@ $db_link = mysqli_connect('localhost', 'web_b-3', 'een7Ao6s', 'bibliothek_candle
             header("Location: benutzer_existiert_nicht.html");
                }
           }else{
-           echo'not set';
+            header("Location: 404.html");
           }
     
 ?>