diff --git a/index.html b/index.html
index 0df7b65..e7d1138 100644
--- a/index.html
+++ b/index.html
@@ -18,6 +18,7 @@
     </header>
 
     <form id="questionnaireForm" action="https://formspree.io/f/xrejjoav" method="POST">
+      <input type="hidden" name="_replyto" id="_replyto">
 
       <!-- О парке -->
       <section class="section">
@@ -139,5 +140,10 @@
     </form>
   </div>
 
+<script>
+  document.getElementById('client_email').addEventListener('input', function() {
+    document.getElementById('_replyto').value = this.value;
+  });
+</script>
 </body>
 </html>