diff --git a/php/controller/deleteAccount-controller.php b/php/controller/deleteAccount-controller.php
index c9d3943..9dee574 100644
--- a/php/controller/deleteAccount-controller.php
+++ b/php/controller/deleteAccount-controller.php
@@ -13,6 +13,8 @@ try {
 
     if (isset($_SESSION["user_email"])) {
         $dao->deleteUser($_SESSION["user_email"]);
+    } else {
+        throw new NotFoundException("missing_user_email");
     }
 
     $_SESSION = [];