diff --git a/facefusion/ffmpeg.py b/facefusion/ffmpeg.py
index 04774bb..eaf8f03 100644
--- a/facefusion/ffmpeg.py
+++ b/facefusion/ffmpeg.py
@@ -167,8 +167,8 @@ def restore_audio(target_path : str, output_path : str, trim_frame_start : int,
 	temp_video_format = get_file_format(temp_video_path)
 	temp_video_duration = detect_video_duration(temp_video_path)
 
-	if temp_video_format in [ 'avi', 'mov' ] and output_audio_encoder == 'flac':
-		output_audio_encoder = 'aac'
+	if temp_video_format == 'webm':
+		output_audio_encoder = 'libopus'
 
 	commands = ffmpeg_builder.chain(
 		ffmpeg_builder.set_input(temp_video_path),
@@ -194,8 +194,8 @@ def replace_audio(target_path : str, audio_path : str, output_path : str) -> boo
 	temp_video_format = get_file_format(temp_video_path)
 	temp_video_duration = detect_video_duration(temp_video_path)
 
-	if temp_video_format in [ 'avi', 'mov' ] and output_audio_encoder == 'flac':
-		output_audio_encoder = 'aac'
+	if temp_video_format == 'webm':
+		output_audio_encoder = 'libopus'
 
 	commands = ffmpeg_builder.chain(
 		ffmpeg_builder.set_input(temp_video_path),
diff --git a/tests/test_ffmpeg.py b/tests/test_ffmpeg.py
index 54cbded..60a199e 100644
--- a/tests/test_ffmpeg.py
+++ b/tests/test_ffmpeg.py
@@ -131,20 +131,19 @@ def test_read_audio_buffer() -> None:
 
 
 def test_restore_audio() -> None:
-	target_paths =\
+	restore_set =\
 	[
-		get_test_example_file('target-240p-16khz.avi'),
-		get_test_example_file('target-240p-16khz.m4v'),
-		get_test_example_file('target-240p-16khz.mkv'),
-		get_test_example_file('target-240p-16khz.mov'),
-		get_test_example_file('target-240p-16khz.mp4'),
-		get_test_example_file('target-240p-48khz.mp4'),
-		get_test_example_file('target-240p-16khz.webm')
+		(get_test_example_file('target-240p-16khz.avi'), get_test_output_file('target-240p-16khz.avi')),
+		(get_test_example_file('target-240p-16khz.m4v'), get_test_output_file('target-240p-16khz.m4v')),
+		(get_test_example_file('target-240p-16khz.mkv'), get_test_output_file('target-240p-16khz.mkv')),
+		(get_test_example_file('target-240p-16khz.mov'), get_test_output_file('target-240p-16khz.mov')),
+		(get_test_example_file('target-240p-16khz.mp4'), get_test_output_file('target-240p-16khz.mp4')),
+		(get_test_example_file('target-240p-48khz.mp4'), get_test_output_file('target-240p-48khz.mp4')),
+		(get_test_example_file('target-240p-16khz.webm'), get_test_output_file('target-240p-16khz.webm'))
 	]
-	output_path = get_test_output_file('test-restore-audio.mp4')
 	output_audio_encoders = get_available_encoder_set().get('audio')
 
-	for target_path in target_paths:
+	for target_path, output_path in restore_set:
 		create_temp_directory(target_path)
 
 		for output_audio_encoder in output_audio_encoders:
@@ -160,20 +159,19 @@ def test_restore_audio() -> None:
 
 
 def test_replace_audio() -> None:
-	target_paths =\
+	replace_set =\
 	[
-		get_test_example_file('target-240p-16khz.avi'),
-		get_test_example_file('target-240p-16khz.m4v'),
-		get_test_example_file('target-240p-16khz.mkv'),
-		get_test_example_file('target-240p-16khz.mov'),
-		get_test_example_file('target-240p-16khz.mp4'),
-		get_test_example_file('target-240p-48khz.mp4'),
-		get_test_example_file('target-240p-16khz.webm')
+		(get_test_example_file('target-240p-16khz.avi'), get_test_output_file('target-240p-16khz.avi')),
+		(get_test_example_file('target-240p-16khz.m4v'), get_test_output_file('target-240p-16khz.m4v')),
+		(get_test_example_file('target-240p-16khz.mkv'), get_test_output_file('target-240p-16khz.mkv')),
+		(get_test_example_file('target-240p-16khz.mov'), get_test_output_file('target-240p-16khz.mov')),
+		(get_test_example_file('target-240p-16khz.mp4'), get_test_output_file('target-240p-16khz.mp4')),
+		(get_test_example_file('target-240p-48khz.mp4'), get_test_output_file('target-240p-48khz.mp4')),
+		(get_test_example_file('target-240p-16khz.webm'), get_test_output_file('target-240p-16khz.webm'))
 	]
-	output_path = get_test_output_file('test-replace-audio.mp4')
 	output_audio_encoders = get_available_encoder_set().get('audio')
 
-	for target_path in target_paths:
+	for target_path, output_path in replace_set:
 		create_temp_directory(target_path)
 
 		for output_audio_encoder in output_audio_encoders: