diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd3bfa3c6..8e10e1725 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue where audio filters' `stop()` would not be called when using
+  `CancelFrame`.
+
 - Fixed an issue where `RimeHttpTTSService` and `PiperTTSService` could generate
   incorrectly 16-bit aligned audio frames, potentially leading to internal
   errors or static audio.
diff --git a/src/pipecat/transports/base_input.py b/src/pipecat/transports/base_input.py
index 25cc56f68..0f247c6dc 100644
--- a/src/pipecat/transports/base_input.py
+++ b/src/pipecat/transports/base_input.py
@@ -232,6 +232,9 @@ class BaseInputTransport(FrameProcessor):
         """
         # Cancel and wait for the audio input task to finish.
         await self._cancel_audio_task()
+        # Stop audio filter.
+        if self._params.audio_in_filter:
+            await self._params.audio_in_filter.stop()
 
     async def set_transport_ready(self, frame: StartFrame):
         """Called when the transport is ready to stream.