diff --git a/src/markitdown/_markitdown.py b/src/markitdown/_markitdown.py
index 789c1e5..6df13e3 100644
--- a/src/markitdown/_markitdown.py
+++ b/src/markitdown/_markitdown.py
@@ -33,6 +33,7 @@
 from charset_normalizer import from_path
 
 # Optional Transcription support
+IS_AUDIO_TRANSCRIPTION_CAPABLE = False
 try:
     # Using warnings' catch_warnings to catch
     # pydub's warning of ffmpeg or avconv missing