diff --git a/kfet/static/kfet/js/history.js b/kfet/static/kfet/js/history.js
index 7807ee90..a7372b87 100644
--- a/kfet/static/kfet/js/history.js
+++ b/kfet/static/kfet/js/history.js
@@ -137,7 +137,7 @@ function KHistory(options = {}) {
         var $opegroup = this.findOpeGroup(opegroup['id']);
         var trigramme = $opegroup.find('.trigramme').text();
         var amount = amountDisplay(
-            parseFloat(opegroup['amount'], opegroup['is_cof'], trigramme));
+            parseFloat(opegroup['amount']), opegroup['is_cof'], trigramme);
         $opegroup.find('.amount').text(amount);
     }