diff --git a/sa/profiles/NSN/TIMOS/get_chassis_id.py b/sa/profiles/NSN/TIMOS/get_chassis_id.py
index 322c8e7be65f2f177a272a0850d20a0734323b6a..58f5b3ed677e5f6a663d04a382b7d2ea53dd3953 100644
--- a/sa/profiles/NSN/TIMOS/get_chassis_id.py
+++ b/sa/profiles/NSN/TIMOS/get_chassis_id.py
@@ -1,7 +1,7 @@
 # ----------------------------------------------------------------------
 # NSN.TIMOS.get_chassis_id
 # ----------------------------------------------------------------------
-# Copyright (C) 2007-2018 The NOC Project
+# Copyright (C) 2007-2021 The NOC Project
 # See LICENSE for details
 # ----------------------------------------------------------------------
 
@@ -9,7 +9,7 @@
 import re
 
 # NOC modules
-from noc.core.script.base import BaseScript
+from noc.sa.profiles.Generic.get_chassis_id import Script as BaseScript
 from noc.sa.interfaces.igetchassisid import IGetChassisID
 
 
@@ -18,6 +18,8 @@ class Script(BaseScript):
     cache = True
     interface = IGetChassisID
 
+    SNMP_GETNEXT_OIDS = {"SNMP": ["1.3.6.1.4.1.6527.3.1.2.2.1.3.1.15"]}
+
     rx_id = re.compile(r"^\s*Base MAC address\s*:\s*(?P<id>\S+)", re.IGNORECASE | re.MULTILINE)
 
     def execute_cli(self):