diff --git a/rma/models/res_partner.py b/rma/models/res_partner.py
index d6bed155..e300f6b8 100644
--- a/rma/models/res_partner.py
+++ b/rma/models/res_partner.py
@@ -27,7 +27,7 @@ class ResPartner(models.Model):
 
     def action_view_rma(self):
         self.ensure_one()
-        action = self.env.ref("rma.rma_action").read()[0]
+        action = self.sudo().env.ref("rma.rma_action").read()[0]
         rma = self.rma_ids
         if len(rma) == 1:
             action.update(