diff --git a/Software/data_src/index.htm b/Software/data_src/index.htm
index 8b1c4b4..4bd131b 100644
--- a/Software/data_src/index.htm
+++ b/Software/data_src/index.htm
@@ -541,16 +541,16 @@
         <hr />
         <p>
         <h4>Firmware-Update</h4>
-        <form method='POST' action='/doUpdate' enctype='multipart/form-data'>
-          <div class="input-group">
-            <div class="input-group-prepend">
-              <span class="input-group-text" id="inputGroupFileAddon01">Upload</span>
-            </div>
+        <form method='POST' action='doUpdate' enctype='multipart/form-data'>
+          <div class="form-group row">
             <div class="custom-file">
-              <input type="file" class="custom-file-input" id="fw-update-file" aria-describedby="inputGroupFileAddon01">
-              <label class="custom-file-label" for="fw-update-file">Choose file</label>
+              <input type="file" class="custom-file-input" id="fw-update-file" accept=".fw.bin,.fs.bin" required />
+              <label class="custom-file-label" for="fw-update-file">Firmware-Update ausw&auml;hlen</label>
             </div>
           </div>
+          <div class="form-group row">
+            <button name="submit" type="submit" class="btn btn-outline-primary">Update starten</button>
+          </div>
         </form>
         </p>
       </div>
@@ -564,7 +564,7 @@
   <footer class="page-footer navbar-dark bg-primary font-small fixed-bottom">
     <div class="container-fluid text-center">
       <div class="footer-copyright text-center py-3">
-        <span class="text-muted">© 2022 - 
+        <span class="text-muted">© 2022 -
           <a class="text-reset fw-bold" href="https://eventronics.de/">Marcel Peterkau</a></span>
       </div>
     </div>
@@ -576,6 +576,12 @@
     $('.navbar-nav>li>a').on('click', function () {
       $('.navbar-collapse').collapse('hide');
     });
+
+    document.querySelector('.custom-file-input').addEventListener('change', function (e) {
+      var fileName = document.getElementById("fw-update-file").files[0].name;
+      var nextSibling = e.target.nextElementSibling
+      nextSibling.innerText = fileName
+    })
   </script>
 
 </body>