diff --git a/templates/main.js b/templates/main.js
index cba5a25a..d86d5b70 100755
--- a/templates/main.js
+++ b/templates/main.js
@@ -322,6 +322,9 @@ function onCaptchaLoadTurnstile(action) {
 {% endif %} // End if turnstile
 
 function onCaptchaLoad(renderer) {
+	// Initialize the form identifier with a random password.
+	document.getElementById('captcha-form-id').value = generatePassword();
+
 	captcha_renderer = renderer;
 
 	let widgetId = renderer.applyOn('captcha-container', {