diff --git a/audio_splitter/constants.py b/audio_splitter/constants.py
index 53b7a96..def441d 100644
--- a/audio_splitter/constants.py
+++ b/audio_splitter/constants.py
@@ -121,4 +121,4 @@ def is_video_codec_supported(container: str, video_codec: str) -> bool:
 # ------------------------------------------------------------------------------
 # Default bad characters (for filename sanitization)
 # ------------------------------------------------------------------------------
-DEFAULT_BAD_CHARS = r'!@#№$;:%^&?*(){}[]\/<>+=~`\' '
+DEFAULT_BAD_CHARS = r'!@#№$;:%^&?*(){}[]\/<>+=~`\'|," '