diff --git a/vulpes/src/main.cpp b/vulpes/src/main.cpp
index 9c2b0f4..dd5170d 100644
--- a/vulpes/src/main.cpp
+++ b/vulpes/src/main.cpp
@@ -61,10 +61,18 @@ const char index_html[] PROGMEM = R"rawliteral(
 <!DOCTYPE HTML><html><head>
   <title>ESP Input Form</title>
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <script>
+  <script type='text/javascript'>
+    // Submit timestamps as unix seconds
     var putDate = function(form) {
       form.inputTimeUnix.value = Math.floor(Date.now() / 1000);
+      document.getElementById("js_start_time_unix").value = (Date.parse(js_start_time_unix_entry.value))/1000;
     };
+    // Refresh page after submit so values are right https://stackoverflow.com/a/1860732/2152245
+    window.onload = function() {
+      document.getElementById("hidden-form").onload = function() {
+        top.location.reload();
+      }
+    }
   </script></head><body>
   <form action="/get" target="hidden-form" onsubmit="putDate(this);">
     
@@ -99,10 +107,7 @@ const char index_html[] PROGMEM = R"rawliteral(
 
     <input type="submit" value="Submit"">
   </form>
-  <iframe style="display:none" name="hidden-form"></iframe>
-  <script>
-    document.getElementById("js_start_time_unix").value = (Date.parse(js_start_time_unix_entry.value))/1000;
-  </script>
+  <iframe style="display:none" name="hidden-form" id="hidden-form"></iframe>
 </body></html>)rawliteral";
 
 // Auxiliary variables to store the current output state
