diff --git a/addons/pos_self_order/models/pos_config.py b/addons/pos_self_order/models/pos_config.py
index d7dff16cec8..15f07d0cf3b 100644
--- a/addons/pos_self_order/models/pos_config.py
+++ b/addons/pos_self_order/models/pos_config.py
@@ -395,7 +395,7 @@ class PosConfig(models.Model):
         for image in images:
             encoded_images.append({
                 'id': image.id,
-                'data': image.datas.decode('utf-8'),
+                'data': image.sudo().datas.decode('utf-8'),
             })
         return encoded_images