diff --git a/kfet/templates/kfet/account_read.html b/kfet/templates/kfet/account_read.html
index 977b7c22..ffe77a3c 100644
--- a/kfet/templates/kfet/account_read.html
+++ b/kfet/templates/kfet/account_read.html
@@ -28,6 +28,18 @@
   <div class="col-sm-8 col-md-9 col-content-right">
     {% include "kfet/base_messages.html" %}
     <div class="content-right">
+      {% if addcosts %}
+        <div class="content-right-block">
+          <h2>Gagné des majorations</h2>
+          <div>
+            <ul>
+              {% for addcost in addcosts %}
+                <li>{{ addcost.date|date:'l j F' }}: {{ addcost.sum_addcosts }}</li>
+              {% endfor %}
+            </ul>
+          </div>
+        </div>
+      {% endif %}
       <div class="content-right-block">
         <h2>Historique</h2>
         <div id="history">
@@ -48,7 +60,7 @@
                     {{ ope.group.amount|ukf:ope.group.is_cof }}
                   {% endif %}
                 </span>
-                {% if perms.kfet.is_team %}
+                {% if perms.kfet.is_team and ope.group.valid_by %}
                   <span class="valid_by">Par {{ ope.group.valid_by.trigramme }}</span>
                 {% endif %}
                 {% if ope.group.comment %}
diff --git a/kfet/views.py b/kfet/views.py
index ff477a3c..013031dd 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -12,7 +12,7 @@ from django.contrib.auth.models import User, Permission, Group
 from django.http import HttpResponse, JsonResponse, Http404
 from django.forms import modelformset_factory
 from django.db import IntegrityError, transaction
-from django.db.models import F
+from django.db.models import F, Sum
 from django.utils import timezone
 from django.utils.crypto import get_random_string
 from gestioncof.models import CofProfile, Clipper
@@ -21,7 +21,7 @@ from kfet.models import (Account, Checkout, Article, Settings, AccountNegative,
 from kfet.forms import *
 from collections import defaultdict
 from kfet import consumers
-from datetime import timedelta
+import datetime
 import django_cas_ng
 
 @login_required
@@ -209,9 +209,17 @@ def account_read(request, trigramme):
         .filter(group__on_acc=account)
         .order_by('-group__at'))
 
+    addcosts = (OperationGroup.objects
+            .filter(opes__addcost_for=account,opes__canceled_at=None)
+            .extra({'date':"date(at)"})
+            .values('date')
+            .annotate(sum_addcosts=Sum('opes__addcost_amount'))
+            .order_by('-date'))
+
     return render(request, "kfet/account_read.html", {
         'account' : account,
         'history' : history,
+        'addcosts': addcosts,
         })
 
 # Account - Update
@@ -991,7 +999,7 @@ def kpsul_history(request):
                 'id', 'amount', 'at', 'checkout_id', 'is_cof', 'comment',
                 'valid_by__trigramme', 'on_acc__trigramme')
             .select_related('valid_by', 'on_acc')
-            .filter(at__gt=timezone.now()-timedelta(hours=24)))
+            .filter(at__gt=timezone.now()-datetime.timedelta(hours=24)))
     opegroups = { opegroup['id']:opegroup for opegroup in opegroups_list }
     for opegroup in opegroups:
         opegroups[opegroup]['opes'] = []