diff --git a/apps/participation/management/commands/check_hello_asso.py b/apps/participation/management/commands/check_hello_asso.py
index 5be4fbe..bb877d9 100644
--- a/apps/participation/management/commands/check_hello_asso.py
+++ b/apps/participation/management/commands/check_hello_asso.py
@@ -44,9 +44,15 @@ class Command(BaseCommand):
 
             payer = payment["payer"]
             email = payer["email"]
+            last_name = payer["lastName"]
+            first_name = payer["firstName"]
             qs = User.objects.filter(email=email)
             if not qs.exists():
-                self.stderr.write(f"Warning: a payment was found by the email address {email}, "
+                qs = User.objects.filter(last_name__icontains=last_name)
+                if qs.count() >= 2:
+                    qs = qs.filter(first_name__icontains=first_name)
+            if not qs.exists():
+                self.stderr.write(f"Warning: a payment was found by {first_name} {last_name} ({email}), "
                                   "but this user is unknown.")
                 continue
             user = qs.get()