diff --git a/resources/views/coupon/edit.blade.php b/resources/views/coupon/edit.blade.php
index 47991dc..2658049 100644
--- a/resources/views/coupon/edit.blade.php
+++ b/resources/views/coupon/edit.blade.php
@@ -101,8 +101,8 @@
                     <h4><i class="fas fa-plus-square addcalendar"></i> {{ __('Calendrier de diffusion') }}</h4>
                     @foreach ($coupon->calendriers()->get() as $calendrier)
                         <div class="form-field-calendar">
-                        <input type="date" name="startdate[]" value="{{ $calendrier->calendrier_startdate->format('Y-m-d') }}">
-                            <input type="date" name="enddate[]" value="{{ $calendrier->calendrier_enddate->format('Y-m-d') }}">
+                        <input type="date" name="startdate[]" value="{{ Carbon\Carbon::parse($calendrier->calendrier_startdate)->format('Y-m-d') }}">
+                            <input type="date" name="enddate[]" value="{{ Carbon\Carbon::parse($calendrier->calendrier_enddate)->format('Y-m-d') }}">
                             <i class="fas fa-minus-square removecalendar"></i>
                         </div>
                     @endforeach
@@ -117,7 +117,7 @@
                     </thead>
                     @foreach ($coupon->mouvements()->get() as $mouvement)
                     <tr>
-                        <th>{{ $mouvement->mouvement_created_at->format('d/m/Y') }}</th>
+                        <th>{{ Carbon\Carbon::parse($mouvement->mouvement_created_at)->format('d/m/Y') }}</th>
                         <th>{{ $mouvement->mouvement_nombre }}</th>
                         <th></th>
                     </tr>