diff --git a/tests/test_protobuf_serializer.py b/tests/test_protobuf_serializer.py
index 5e289286f..88fd7867e 100644
--- a/tests/test_protobuf_serializer.py
+++ b/tests/test_protobuf_serializer.py
@@ -6,7 +6,11 @@
 
 import unittest
 
-from pipecat.frames.frames import AudioRawFrame, TextFrame, TranscriptionFrame
+from pipecat.frames.frames import (
+    OutputAudioRawFrame,
+    TextFrame,
+    TranscriptionFrame,
+)
 from pipecat.serializers.protobuf import ProtobufFrameSerializer
 
 
@@ -14,22 +18,19 @@ class TestProtobufFrameSerializer(unittest.IsolatedAsyncioTestCase):
     def setUp(self):
         self.serializer = ProtobufFrameSerializer()
 
-    @unittest.skip("FIXME: This test is failing")
     async def test_roundtrip(self):
         text_frame = TextFrame(text="hello world")
         frame = self.serializer.deserialize(self.serializer.serialize(text_frame))
-        self.assertEqual(frame, TextFrame(text="hello world"))
+        self.assertEqual(text_frame, frame)
 
         transcription_frame = TranscriptionFrame(
-            text="Hello there!", participantId="123", timestamp="2021-01-01"
+            text="Hello there!", user_id="123", timestamp="2021-01-01"
         )
         frame = self.serializer.deserialize(self.serializer.serialize(transcription_frame))
         self.assertEqual(frame, transcription_frame)
 
-        audio_frame = AudioRawFrame(data=b"1234567890")
+        audio_frame = OutputAudioRawFrame(audio=b"1234567890", sample_rate=16000, num_channels=1)
         frame = self.serializer.deserialize(self.serializer.serialize(audio_frame))
-        self.assertEqual(frame, audio_frame)
-
-
-if __name__ == "__main__":
-    unittest.main()
+        self.assertEqual(frame.audio, audio_frame.audio)
+        self.assertEqual(frame.sample_rate, audio_frame.sample_rate)
+        self.assertEqual(frame.num_channels, audio_frame.num_channels)