diff --git a/prive/javascript/ajaxCallback.js b/prive/javascript/ajaxCallback.js
index 46c27ea2cf7954236f22ef8f0e418282e70c188d..853206dd47e9eb7279baacc92e3d7921c3a1c355 100644
--- a/prive/javascript/ajaxCallback.js
+++ b/prive/javascript/ajaxCallback.js
@@ -183,7 +183,7 @@ jQuery.fn.positionner = function(force, setfocus) {
 jQuery.spip.virtualbuffer_id='spip_virtualbufferupdate';
 jQuery.spip.initReaderBuffer = function(){
 	if (jQuery('#'+jQuery.spip.virtualbuffer_id).length) return;
-	jQuery('body').append('<p style="float:left;width:0;height:0;position:absolute;left:-5000;top:-5000;"><input type="hidden" name="'+jQuery.spip.virtualbuffer_id+'" id="'+jQuery.spip.virtualbuffer_id+'" value="0" /></p>');
+	jQuery('body').append('<p style="float:left;width:0;height:0;position:absolute;left:-5000px;top:-5000px;"><input type="hidden" name="'+jQuery.spip.virtualbuffer_id+'" id="'+jQuery.spip.virtualbuffer_id+'" value="0" /></p>');
 }
 jQuery.spip.updateReaderBuffer = function(){
 	var i = jQuery('#'+jQuery.spip.virtualbuffer_id);