diff --git a/bemade_sports_clinic/models/patient.py b/bemade_sports_clinic/models/patient.py
index 7ce75ec..1073ad6 100644
--- a/bemade_sports_clinic/models/patient.py
+++ b/bemade_sports_clinic/models/patient.py
@@ -92,7 +92,7 @@ class Patient(models.Model):
             rec.is_injured = rec.practice_status != 'yes' or rec.match_status != 'yes'
             if rec.is_injured:
                 rec.injured_since = \
-                    rec.injury_ids.filtered(lambda r: not r.stage == 'resolved').sorted(
+                    rec.injury_ids and rec.injury_ids.filtered(lambda r: not r.stage == 'resolved').sorted(
                         'injury_date_time')[0].injury_date_time
             else:
                 rec.injured_since = False
@@ -169,8 +169,6 @@ class PatientInjury(models.Model):
             if rec.stage == 'resolved' and not rec.resolution_date:
                 raise ValidationError(_('Cannot set an injury as resolved without setting the resolution date first.'))
 
-
-
     def write(self, vals):
         super().write(vals)
         if 'treatment_professional_ids' in vals: