diff --git a/templates/user.html b/templates/user.html
index e194324..95764ee 100644
--- a/templates/user.html
+++ b/templates/user.html
@@ -34,7 +34,7 @@
   <br>
     <form method="POST" class="mt-4" enctype="multipart/form-data" action="/user/mail">
       <input type="email" name="email" required>
-      <input type="hidden" name="action" value="add">
+      <input type="hidden" name="action" value="Add">
     <input type="submit" name="add" value="Add">
   </div>
 </div>