diff --git a/lib/classes/ssl/class.lescript.php b/lib/classes/ssl/class.lescript.php
index d4b69704..a6377868 100644
--- a/lib/classes/ssl/class.lescript.php
+++ b/lib/classes/ssl/class.lescript.php
@@ -38,9 +38,12 @@ class lescript
 
 	private $accountKey;
 
-	public function __construct($logger)
+	private $version;
+
+	public function __construct($logger, $version = '1')
 	{
 		$this->logger = $logger;
+		$this->version = $version;
 		if (Settings::Get('system.letsencryptca') == 'production') {
 			$ca = 'https://acme-v01.api.letsencrypt.org';
 		} else {
@@ -176,7 +179,7 @@ class lescript
 			$this->log("Token for $domain saved at $tokenPath and should be available at $uri");
 
 			// simple self check
-			$selfcheckContextOptions = array('http' => array('header' => "User Agent: Froxlor"));
+			$selfcheckContextOptions = array('http' => array('header' => "User Agent: Froxlor/".$this->version));
 			$selfcheckContext = stream_context_create($selfcheckContextOptions);
 			if ($payload !== trim(@file_get_contents($uri, false, $selfcheckContext))) {
 				$errmsg = json_encode(error_get_last());
diff --git a/scripts/jobs/cron_letsencrypt.php b/scripts/jobs/cron_letsencrypt.php
index 8fe3d5af..c3c9a88c 100644
--- a/scripts/jobs/cron_letsencrypt.php
+++ b/scripts/jobs/cron_letsencrypt.php
@@ -132,7 +132,7 @@ foreach ($certrows as $certrow) {
 
 		try {
 			// Initialize Lescript with documentroot
-			$le = new lescript($cronlog);
+			$le = new lescript($cronlog, $version);
 
 			// Initialize Lescript
 			$le->initAccount($certrow);