diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py b/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
index bae310c5d2e..2d68dc10bea 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
@@ -112,7 +112,9 @@ def __init__(self, psu_index, platform):
 
         else: 
             logger.log_info("Not reading PSU{} VPD data: Platform is fixed".format(self.index))
-
+            self.model = "N/A"
+            self.rev = "N/A"
+            self.serial = "N/A"
 
         if not self.psu_data['hot_swappable']:
             self.always_present = True