diff --git a/src/ax_interface/mib.py b/src/ax_interface/mib.py
index 9aa9b7d62..5cfd39e2c 100644
--- a/src/ax_interface/mib.py
+++ b/src/ax_interface/mib.py
@@ -311,7 +311,9 @@ class MIBTable(dict):
     Simplistic LUT for Get/GetNext OID. Interprets iterables as keys and implements the same interfaces as dict's.
     """
 
-    def __init__(self, mib_cls, enable_dynamic_frequency, update_frequency=DEFAULT_UPDATE_FREQUENCY):
+    def __init__(self, mib_cls,
+                 enable_dynamic_frequency=DEFAULT_ENABLE_DYNAMIC_FREQUENCY,
+                 update_frequency=DEFAULT_UPDATE_FREQUENCY):
         if type(mib_cls) is not MIBMeta:
             raise ValueError("Supplied object is not a MIB class instance.")
         super().__init__(getattr(mib_cls, MIBMeta.KEYSTORE))
diff --git a/tests/test_agent.py b/tests/test_agent.py
index 6b16e0cd1..92e5ff7b7 100644
--- a/tests/test_agent.py
+++ b/tests/test_agent.py
@@ -22,6 +22,6 @@ async def delayed_shutdown(self, agent):
 
     def test_agent_loop(self):
         event_loop = asyncio.get_event_loop()
-        agent = ax_interface.Agent(SonicMIB, 5, event_loop)
+        agent = ax_interface.Agent(SonicMIB, False, 5, event_loop)
         event_loop.create_task(self.delayed_shutdown(agent))
         event_loop.run_until_complete(agent.run_in_event_loop())