diff --git a/platform/marvell-armhf/sonic-platform-nokia/7215/sonic_platform/psu.py b/platform/marvell-armhf/sonic-platform-nokia/7215/sonic_platform/psu.py
index 9de9ebec36..6a338f5a16 100644
--- a/platform/marvell-armhf/sonic-platform-nokia/7215/sonic_platform/psu.py
+++ b/platform/marvell-armhf/sonic-platform-nokia/7215/sonic_platform/psu.py
@@ -31,6 +31,7 @@ class Psu(PsuBase):
     """Nokia platform-specific PSU class for 7215 """
 
     def __init__(self, psu_index):
+        PsuBase.__init__(self)
         # PSU is 1-based in Nokia platforms
         self.index = psu_index + 1
         self._fan_list = []