diff --git a/frontend/src/scripts/index.js b/frontend/src/scripts/index.js
index e3e99b7..197f3d1 100644
--- a/frontend/src/scripts/index.js
+++ b/frontend/src/scripts/index.js
@@ -19,7 +19,7 @@ class Main extends Component {
     }
     onSubmit(event){
         event.preventDefault();
-        let form = document.forms[0];
+        let form = document.getElementById("form");
         let formData = new FormData(form);
         fetch("/api/register", {
             method:"POST",
@@ -161,7 +161,7 @@ class Main extends Component {
     <div class="container text text-center">
          <h2>Stále nevíš, jestli se zúčastníš? Přečti si náš <button type="button" class="btn btn-warning" onClick={(e) => this.togglefaq()}>FAQ</button></h2>
     </div>
-    <form class="container" onSubmit={(e) => this.onSubmit(e)}>
+    <form id="form" class="container" onSubmit={(e) => this.onSubmit(e)}>
         <h1>Registrace</h1>
         <div class="mb-3">
             <label for="first_name" class="form-label">Jméno</label>