diff --git a/kfet/static/kfet/js/history.js b/kfet/static/kfet/js/history.js
index 1c6495a7..7807ee90 100644
--- a/kfet/static/kfet/js/history.js
+++ b/kfet/static/kfet/js/history.js
@@ -1,3 +1,7 @@
+function dateUTCToParis(date) {
+    return moment.tz(date, 'UTC').tz('Europe/Paris');
+}
+
 function KHistory(options = {}) {
     $.extend(this, KHistory.default_options, options);
 
diff --git a/kfet/static/kfet/js/kfet.js b/kfet/static/kfet/js/kfet.js
index 144582ca..1002fc32 100644
--- a/kfet/static/kfet/js/kfet.js
+++ b/kfet/static/kfet/js/kfet.js
@@ -80,10 +80,6 @@ var OperationWebSocket = new KfetWebsocket({
     'default_msg': {'opegroups':[],'opes':[],'checkouts':[],'articles':[]},
 });
 
-function dateUTCToParis(date) {
-    return moment.tz(date, 'UTC').tz('Europe/Paris');
-}
-
 function amountDisplay(amount, is_cof=false, tri='') {
     if (tri == 'LIQ')
         return (- amount).toFixed(2) +'€';