diff --git a/src/Controller/ExpenseReportAdminController.php b/src/Controller/ExpenseReportAdminController.php
index 4b5b252..20009b8 100644
--- a/src/Controller/ExpenseReportAdminController.php
+++ b/src/Controller/ExpenseReportAdminController.php
@@ -151,6 +151,14 @@ class ExpenseReportAdminController extends CrudController
             throw $this->createAccessDeniedException();
         }
 
+        if ($entity->getTotalAmount() === 0.0) {
+            $this->addFlash('warning', 'Cette action est interdite car le total de la note de frais est 0.');
+
+            return $this->redirectToRoute('admin_expense_report_edit', [
+                'entity' => $entity->getId(),
+            ]);
+        }
+
         $message = $request->request->get('form')['message'] ?? null;
         $entity->setIsRequestedPayment(true);
         $entityManager->update($entity);
@@ -185,6 +193,14 @@ class ExpenseReportAdminController extends CrudController
             throw $this->createAccessDeniedException();
         }
 
+        if ($entity->getTotalAmount() === 0.0) {
+            $this->addFlash('warning', 'Cette action est interdite car le total de la note de frais est 0.');
+
+            return $this->redirectToRoute('admin_expense_report_edit', [
+                'entity' => $entity->getId(),
+            ]);
+        }
+
         $message = $request->request->get('form')['message'] ?? null;
         $entity->setIsPaid(true);
 
diff --git a/src/Entity/ExpenseReport.php b/src/Entity/ExpenseReport.php
index d3870f3..fea36e7 100644
--- a/src/Entity/ExpenseReport.php
+++ b/src/Entity/ExpenseReport.php
@@ -2,9 +2,9 @@
 
 namespace App\Entity;
 
+use App\Core\Entity\EntityInterface;
 use App\Repository\ExpenseReportRepository;
 use Doctrine\ORM\Mapping as ORM;
-use App\Core\Entity\EntityInterface;
 
 /**
  * @ORM\Entity(repositoryClass=ExpenseReportRepository::class)
@@ -193,4 +193,30 @@ class ExpenseReport implements EntityInterface
 
         return $this;
     }
+
+    public function getTotalAmount(?string $of = null, array $data = []): float
+    {
+        $amount = 0;
+
+        if ('moves' === $of) {
+            foreach ($this->getMoves() as $data) {
+                $amount += $this->getTotalAmount('move', $data);
+            }
+        } elseif ('various_payments' === $of) {
+            foreach ($this->getVariousPayments() as $data) {
+                $amount += $this->getTotalAmount('various_payment', $data);
+            }
+        } elseif ('move' === $of) {
+            $amount += $data['highwayPay'];
+            $amount += $data['parkingPay'];
+            $amount += ($data['isRoundTrip'] ? 2 : 1) * $data['distance'] * $this->getScalePerKilometer();
+        } elseif ('various_payment' === $of) {
+            $amount += $data['amount'];
+        } else {
+            $amount += $this->getTotalAmount('moves');
+            $amount += $this->getTotalAmount('various_payments');
+        }
+
+        return $amount;
+    }
 }
diff --git a/templates/admin/expense_report/_show.html.twig b/templates/admin/expense_report/_show.html.twig
index 8aa05b5..f1b81e4 100644
--- a/templates/admin/expense_report/_show.html.twig
+++ b/templates/admin/expense_report/_show.html.twig
@@ -5,7 +5,7 @@
         <table class="table mb-0">
             <thead class="bg-light">
                 <tr>
-                    <th width="100">Date</th>
+                    <th width="120">Date</th>
                     <th>Évènement</th>
                     <th>Trajet</th>
                     <th width="120" class="text-right">Distance</th>
@@ -35,15 +35,13 @@
                         {{ item.isRoundTrip ? 'oui' : 'non' }}
                     </td>
                     <td class="text-right">
-                        {{ item.highwayPay > 0 ? (item.highwayPay ~ '€') : '-' }}
+                        {{ item.highwayPay > 0 ? (item.highwayPay|number_format(2, ',') ~ '€') : '-' }}
                     </td>
                     <td class="text-right">
-                        {{ item.parkingPay > 0 ? (item.parkingPay ~ '€') : '-' }}
+                        {{ item.parkingPay > 0 ? (item.parkingPay|number_format(2, ',') ~ '€') : '-' }}
                     </td>
                     <td class="text-right">
-                        {% set itemTotal = item.parkingPay + item.highwayPay + (item.distance * entity.scalePerKilometer * (item.isRoundTrip ? 2 : 1)) %}
-                        {% set total = total + itemTotal %}
-                        {{ itemTotal }}€
+                        {{ entity.totalAmount('move', item)|number_format(2, ',') }}€
                     </td>
                 </tr>
             {% endfor %}
@@ -56,7 +54,7 @@
         <table class="table mb-0">
             <thead class="bg-light">
                 <tr>
-                    <th width="100">Date</th>
+                    <th width="120">Date</th>
                     <th>Libellé</th>
                     <th width="90" class="text-right">Montant&nbsp;TTC</th>
                 </tr>
@@ -71,9 +69,7 @@
                         {{ item.label }}
                     </td>
                     <td class="text-right">
-                        {% set total = total + item.amount %}
-
-                        {{ item.amount ~ '€' }}
+                        {{ entity.totalAmount('various_payment', item)|number_format(2, ',') }}€
                     </td>
                 </tr>
             {% endfor %}
@@ -84,10 +80,10 @@
 <div class="table-responsive">
     <table class="table">
         <tr>
-            <td class="font-weight-bold">
+            <td>
                 Facture(s)
             </td>
-            <td class="text-right"><span class="font-weight-bold mr-3">Total</span> {{ total }}€</td>
+            <td class="text-right"><span class="font-weight-bold mr-3">Total</span> {{ entity.totalAmount|number_format(2, ',') }}€</td>
         </tr>
         <tr>
             <td>
@@ -100,6 +96,10 @@
                 {% endfor %}
             </td>
             <td width="250" class="text-right">
+                Barème au kilomètre : {{ entity.scalePerKilometer|number_format(2, ',') }}
+                <br>
+                <br>
+
                 {% if entity.isPaid %}
                     {% if entity.paidAt %}
                         <span class="btn btn-success">Payée le {{ entity.paidAt|date('d/m/Y à H:i') }}</span>
diff --git a/templates/admin/expense_report/edit.html.twig b/templates/admin/expense_report/edit.html.twig
index 122aba4..c5e86fd 100644
--- a/templates/admin/expense_report/edit.html.twig
+++ b/templates/admin/expense_report/edit.html.twig
@@ -1,17 +1,19 @@
 {% extends '@Core/admin/crud/edit.html.twig' %}
 
 {% block header_actions_after %}
-    {% if not entity.isPaid %}
-        {% if not entity.isRequestedPayment and (entity.user.id == app.user.id or is_granted('ROLE_TREASURER')) %}
-            <span class="btn btn-success" data-toggle="modal" data-target="#notification">
-                Demander le paiement
-            </span>
-        {% endif %}
+    {% if entity.totalAmount > 0 %}
+        {% if not entity.isPaid %}
+            {% if not entity.isRequestedPayment and (entity.user.id == app.user.id or is_granted('ROLE_TREASURER')) %}
+                <span class="btn btn-success" data-toggle="modal" data-target="#notification">
+                    Demander le paiement
+                </span>
+            {% endif %}
 
-        {% if entity.isRequestedPayment and is_granted('ROLE_TREASURER') %}
-            <span class="btn btn-success" data-toggle="modal" data-target="#notification">
-                Définir comme payée
-            </span>
+            {% if entity.isRequestedPayment and is_granted('ROLE_TREASURER') %}
+                <span class="btn btn-success" data-toggle="modal" data-target="#notification">
+                    Définir comme payée
+                </span>
+            {% endif %}
         {% endif %}
     {% endif %}
 {% endblock %}