diff --git a/kfet/static/kfet/js/history.js b/kfet/static/kfet/js/history.js
index e9486a1e..8efa120a 100644
--- a/kfet/static/kfet/js/history.js
+++ b/kfet/static/kfet/js/history.js
@@ -22,7 +22,6 @@ function KHistory(options={}) {
                 $opegroup.after($ope);
             }
         } else {
-            $opegroup.addClass("transfergroup");
             for (var i=0; i<opegroup['opes'].length; i++) {
                 var $transfer = this._transferHtml(opegroup['opes'][i]);
                 $transfer.data('transfergroup', opegroup['id']);
@@ -50,7 +49,8 @@ function KHistory(options={}) {
         }
 
         $ope_html
-            .data('ope', ope['id'])
+            .data('type', 'ope')
+            .data('id', ope['id'])
             .find('.amount').text(amount).end()
             .find('.infos1').text(infos1).end()
             .find('.infos2').text(infos2).end();
@@ -73,7 +73,8 @@ function KHistory(options={}) {
         var amount = parsed_amount.toFixed(2) + '€';
 
         $transfer_html
-            .data('transfer', transfer['id'])
+            .data('type', 'transfer')
+            .data('id', transfer['id'])
             .find('.amount').text(amount).end()
             .find('.infos1').text(transfer['from_acc']).end()
             .find('.infos2').text(transfer['to_acc']).end();
@@ -115,7 +116,8 @@ function KHistory(options={}) {
         var comment = opegroup['comment'] || '';
 
         $opegroup_html
-            .data(type, opegroup['id'])
+            .data('type',  type)
+            .data('id', opegroup['id'])
             .find('.time').text(at).end()
             .find('.trigramme').text(trigramme).end()
             .find('.info').text("Transferts").end()
diff --git a/kfet/templates/kfet/history.html b/kfet/templates/kfet/history.html
index bc12effa..01aaa359 100644
--- a/kfet/templates/kfet/history.html
+++ b/kfet/templates/kfet/history.html
@@ -157,7 +157,7 @@ $(document).ready(function() {
             // DEL (Suppr)
             var opes_to_cancel = [];
             khistory.$container.find('.ope.ui-selected').each(function () {
-                opes_to_cancel.push($(this).data('ope'));
+                opes_to_cancel.push($(this).data('type')+' '+$(this).data('id'));
             });
             if (opes_to_cancel.length > 0)
                 confirmCancel(opes_to_cancel);