diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 96ddd9696a7..ff599f7567f 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -2320,15 +2320,15 @@ if (! function_exists("llxFooter"))
 		print "\n<!-- A div to allow dialog popup -->\n";
 		print '<div id="dialogforpopup" style="display: none;"></div>'."\n";
 
-		// Add code for the fist asynchronous anonymous ping
+		// Add code for the asynchronous anonymous first ping (for telemetry)
 		if (($_SERVER["PHP_SELF"] == DOL_URL_ROOT.'/index.php') || GETPOST('forceping', 'alpha'))
 		{
 			if (empty($conf->global->MAIN_FIRST_PING_OK_DATE)
-			|| (! empty($conf->file->instance_unique_id) && $conf->file->instance_unique_id != $conf->global->MAIN_FIRST_PING_OK_ID)
+			|| (! empty($conf->file->instance_unique_id) && (md5($conf->file->instance_unique_id) != $conf->global->MAIN_FIRST_PING_OK_ID))
 			|| GETPOST('forceping', 'alpha'))
 			{
-				print "\n".'<!-- Includes JS for Ping of Dolibarr -->'."\n";
-				print "\n<!-- JS CODE TO ENABLE the First anonymous Ping -->\n";
+				print "\n".'<!-- Includes JS for Ping of Dolibarr MAIN_FIRST_PING_OK_DATE = '.$conf->global->MAIN_FIRST_PING_OK_DATE.' MAIN_FIRST_PING_OK_ID = '.$conf->global->MAIN_FIRST_PING_OK_ID.' -->'."\n";
+				print "\n<!-- JS CODE TO ENABLE the anonymous Ontime Ping -->\n";
 				?>
 	    			<script>
 	    			jQuery(document).ready(function (tmp) {
@@ -2337,12 +2337,9 @@ if (! function_exists("llxFooter"))
 	    					  url: "https://ping.dolibarr.org/",
 	    					  timeout: 500,     // timeout milliseconds
 	    					  cache: false,
-	    					  xhrFields: {
-	    					      withCredentials: true
-	    					  },
 	    					  data: { hash_algo: "md5", hash_unique_id: "<?php echo md5($conf->file->instance_unique_id); ?>", action: "dolibarrping", entity: <?php echo (int) $conf->entity; ?> },
-	    					  success: function (data,status,xhr) {   // success callback function
-	      					    	console.log("Ping ok: " + data);
+	    					  success: function (data, status, xhr) {   // success callback function (data contains body of response)
+	      					    	console.log("Ping ok");
 	        	    				$.ajax({
 	      	    					  method: "GET",
 	      	    					  url: "<?php echo DOL_URL_ROOT.'/core/ajax/pingresult.php'; ?>",