diff --git a/coworking_relation/models/coworker.py b/coworking_relation/models/coworker.py
index 177b744..b8aa346 100644
--- a/coworking_relation/models/coworker.py
+++ b/coworking_relation/models/coworker.py
@@ -15,8 +15,7 @@ class Coworker(models.Model):
     events_coworker_count = fields.Integer('Number of event have participe',
                                            compute='_compute_events_coworker_count')
 #Relation fields
-    relation_ids = fields.One2many(
-        'coworking.relation', 'relation')
+)
     relation_ids = fields.One2many(
         string="Relation",
         comodel_name="coworking.relation",