diff --git a/crm_claim_rma/models/crm_claim_rma.py b/crm_claim_rma/models/crm_claim_rma.py
index 88f88647..0d986f30 100644
--- a/crm_claim_rma/models/crm_claim_rma.py
+++ b/crm_claim_rma/models/crm_claim_rma.py
@@ -517,7 +517,7 @@ class CrmClaim(models.Model):
                 if claim.section_id else False
                 for claim in self.sudo()]
 
-    @api.model
+    @api.multi
     def message_get_suggested_recipients(self):
         recipients = super(CrmClaim, self).message_get_suggested_recipients()
         try: