diff --git a/src/pipecat/frames/frames.py b/src/pipecat/frames/frames.py
index c846bd152..e3b2aab37 100644
--- a/src/pipecat/frames/frames.py
+++ b/src/pipecat/frames/frames.py
@@ -9,6 +9,7 @@ from typing import Any, List, Mapping, Optional, Tuple
 from dataclasses import dataclass, field
 
 from pipecat.utils.utils import obj_count, obj_id
+from pipecat.vad.vad_analyzer import VADParams
 
 
 @dataclass
@@ -455,7 +456,7 @@ class FunctionCallResultFrame(DataFrame):
     function_name: str
     tool_call_id: str
     arguments: str
-    result: any
+    result: Any
 
 
 @dataclass
@@ -463,4 +464,4 @@ class VADParamsUpdateFrame(ControlFrame):
     """A control frame containing a request to update VAD params. Intended
     to be pushed upstream from RTVI processor.
     """
-    params: dict
+    params: VADParams
diff --git a/src/pipecat/transports/base_input.py b/src/pipecat/transports/base_input.py
index 91052788c..49a685d0e 100644
--- a/src/pipecat/transports/base_input.py
+++ b/src/pipecat/transports/base_input.py
@@ -23,7 +23,7 @@ from pipecat.frames.frames import (
     UserStoppedSpeakingFrame,
     VADParamsUpdateFrame)
 from pipecat.transports.base_transport import TransportParams
-from pipecat.vad.vad_analyzer import VADAnalyzer, VADParams, VADState
+from pipecat.vad.vad_analyzer import VADAnalyzer, VADState
 
 from loguru import logger
 
@@ -105,9 +105,8 @@ class BaseInputTransport(FrameProcessor):
             await self.stop(frame)
         elif isinstance(frame, VADParamsUpdateFrame):
             vad_analyzer = self.vad_analyzer()
-            if not vad_analyzer:
-                pass
-            vad_analyzer.set_params(frame.params)
+            if vad_analyzer:
+                vad_analyzer.set_params(frame.params)
         # Other frames
         else:
             await self._internal_push_frame(frame, direction)