diff --git a/website/templates/buy.html b/website/templates/buy.html
index 1dd4b95..58e2a46 100644
--- a/website/templates/buy.html
+++ b/website/templates/buy.html
@@ -1,7 +1,7 @@
 <html>
   <body>
     <form method="post">
-      Username: <input type="text" name="username">
+      Username: <input type="text" name="username" required>
       <button type="submit">Get me that juicy Plus!</button>
     </form>
   </body>
