diff --git a/models/event_question_answer.py b/models/event_question_answer.py
index d67dd664bbd88cefd15f0f7b75e3d3089fbf6c32..f1be28fec79a0256c81265797b1186b8c7b273dc 100644
--- a/models/event_question_answer.py
+++ b/models/event_question_answer.py
@@ -20,23 +20,23 @@ class EventQuestionAnswer(models.Model):
     )
     answer_number = fields.Integer(
         "Nombre de réponses enregistrées",
-        default=0,
         compute="_compute_answers",
         readonly=True,
     )
     remaining_number = fields.Integer(
         "Nombre de réponses restantes",
-        default=0,
         compute="_compute_answers",
         readonly=True,
     )
-    fully_booked = fields.Boolean(
-        "Complet", default=False, compute="_compute_answers", readonly=True
-    )
+    fully_booked = fields.Boolean("Complet", compute="_compute_answers", readonly=True)
 
     @api.depends("number_max", "registration_answer_ids")
     def _compute_answers(self):
-        for answer in self.filtered("number_max"):
+        for answer in self:
             answer.answer_number = len(answer.sudo().registration_answer_ids)
-            answer.remaining_number = answer.number_max - answer.answer_number
-            answer.fully_booked = answer.remaining_number < 1
+            if answer.number_max > 0:
+                answer.remaining_number = answer.number_max - answer.answer_number
+                answer.fully_booked = answer.remaining_number < 1
+            else:
+                answer.remaining_number = 0
+                answer.fully_booked = False