diff --git a/html/saraR4.html b/html/saraR4.html
index b4eb244..c2f1493 100755
--- a/html/saraR4.html
+++ b/html/saraR4.html
@@ -481,6 +481,8 @@ function getData_saraR4(port, command, timeout){
         console.log(safeCommand);
         
         $("#loading_"+port+"_"+safeCommand).show();
+        $("#response_"+port+"_"+safeCommand).empty();
+
 
                 $.ajax({
                 url: 'launcher.php?type=sara&port='+port+'&command='+encodeURIComponent(command)+'&timeout='+timeout,
@@ -721,6 +723,7 @@ function setURL_saraR4(port, url){
 
 function ping_test(port, url){
   console.log("Test ping to data.nebuleair.fr:");
+  $("#response_ping").empty();
   $("#loading_ping").show();
           $.ajax({
           url: 'launcher.php?type=sara_ping',