diff --git a/device/celestica/x86_64-cel_e1031-r0/sonic_platform/psu.py b/device/celestica/x86_64-cel_e1031-r0/sonic_platform/psu.py
index 136010802233..0ea4aceeba7b 100644
--- a/device/celestica/x86_64-cel_e1031-r0/sonic_platform/psu.py
+++ b/device/celestica/x86_64-cel_e1031-r0/sonic_platform/psu.py
@@ -234,7 +234,7 @@ def get_position_in_parent(self):
         Returns:
             integer: The 1-based relative physical position in parent device or -1 if cannot determine the position
         """
-        return -1
+        return self.index + 1
 
     def is_replaceable(self):
         """
diff --git a/device/celestica/x86_64-cel_e1031-r0/sonic_platform/thermal.py b/device/celestica/x86_64-cel_e1031-r0/sonic_platform/thermal.py
index d224281a5935..ab702d02d095 100644
--- a/device/celestica/x86_64-cel_e1031-r0/sonic_platform/thermal.py
+++ b/device/celestica/x86_64-cel_e1031-r0/sonic_platform/thermal.py
@@ -324,6 +324,5 @@ def get_position_in_parent(self):
         Returns:
             A int value, 0 represent ASIC thermal, 1 represent CPU thermal info
         """
-        if self.postion == "cpu":
-            return 1
-        return 0
+        
+        return self.index + 1