diff --git a/visits/admin.py b/visits/admin.py
index 3e2376a8db9efcf944ebf26939811a48f3e1b553..28072ccc4490277e3f0435526dcd5916d1d28ea8 100644
--- a/visits/admin.py
+++ b/visits/admin.py
@@ -1,3 +1,4 @@
+
 """Visits admin panel configuration."""
 
 from django import forms
@@ -122,7 +123,7 @@ class ParticipationInline(admin.TabularInline):
 def accept_selected_participations(modeladmin, request, queryset):
     """Accept selected participations in list view."""
     for obj in queryset:
-        obj.accepted = True
+        obj.accepted = 1
         obj.save()
     count = queryset.count()
     s = pluralize(count)
@@ -137,12 +138,12 @@ accept_selected_participations.short_description = (
 def reject_selected_participations(modeladmin, request, queryset):
     """Reject selected participations in list view."""
     for obj in queryset:
-        obj.accepted = False
+        obj.accepted = 0
         obj.save()
     count = queryset.count()
     s = pluralize(count)
     messages.add_message(request, messages.SUCCESS,
-                         f'{count} participation{s} rejetée{s} avec succès.') ## rejeté place accepté
+    f'{count} participation{s} rejetée{s} avec succès.')  # rejeté place accepté
 
 
 reject_selected_participations.short_description = (
@@ -162,6 +163,21 @@ def wait_selected_participations(modeladmin, request, queryset):
 wait_selected_participations.short_description = (
     'Mettre en attentes les participations sélectionnées')
 
+def wait_selected_participations(modeladmin, request, queryset):
+    """Reject selected participations in list view."""
+    for obj in queryset:
+        obj.accepted = 2  # in wait
+        obj.save()
+    count = queryset.count()
+    s = pluralize(count)
+    messages.add_message(request, messages.SUCCESS,
+                         f'{count} participation{s} en attente{s} avec succès.')
+
+
+wait_selected_participations.short_description = (
+    'Mettre en attentes les participations sélectionnées')
+
+
 @admin.register(Participation)
 class ParticipationAdmin(admin.ModelAdmin):
     """Admin panel for visit participations."""
@@ -195,7 +211,6 @@ class ParticipationAdmin(admin.ModelAdmin):
         response.write(codecs.BOM_UTF8)  # force response to be UTF-8
         writer = csv.writer(response, delimiter=';')
 
-
         writer.writerow(['first_name', 'last_name', 'school', 'grade',
                          'phone_number', 'scholarship'] + field_names)
 
@@ -211,7 +226,6 @@ class ParticipationAdmin(admin.ModelAdmin):
             row = writer.writerow([name[0]['first_name'], name[0]['last_name'], school[0]['school'], school[0]['grade'], name[0]['phone_number'], school[0]['scholarship']] + [getattr(obj, field)
                                                                                                                                                                                for field in field_names])
 
-
             nb_user += 1
         return response
 
diff --git a/visits/models.py b/visits/models.py
index 65fb58b98c7a359223205b32bfdba128a42a2a32..1a0ad4cc848c2a9d0d55a86674f76dcf9a451ae6 100644
--- a/visits/models.py
+++ b/visits/models.py
@@ -42,10 +42,11 @@ class Participation(models.Model):
     Allows to store whether the user was present to the visit,
     and whether their files were validated.
     """
-    STATUS_CHOICES  =  ( 
-    ( 0 ,  'refusé' ), 
-    ( 1 ,  'accepté' ), 
-    ( 2 ,  'en attente' ), 
+    STATUS_CHOICES = (
+        (0,  'refusé'),
+        (1,  'accepté'),
+        (2,  'en attente'),
+        (3,  'inconnue'),
     )
     user = models.ForeignKey('users.User', verbose_name='utilisateur',
                              related_name='participations',
@@ -58,7 +59,7 @@ class Participation(models.Model):
         verbose_name='soumis le',
         help_text='Date de soumission de la participation')
     accepted = models.IntegerField(
-        default=0,
+        default=3,
         choices=STATUS_CHOICES,
         help_text=(
             "Cocher pour confirmer au tutoré sa participation à la sortie."))
diff --git a/visits/signals.py b/visits/signals.py
index 49653bef932951ccb827ab84958c3792a191fad3..594fc97cb537e4500511a5e021039a52ce3d0482 100644
--- a/visits/signals.py
+++ b/visits/signals.py
@@ -23,7 +23,7 @@ def notify_participation(sender, instance: Participation, **kwargs):
 
     The notification is only sent if the participation status has changed.
     """
-    if instance.accepted is None:
+    if instance.accepted is 3:
         return
     if instance.accepted == 2 :
         ConfirmParticipationWait(participation=instance).send()