diff --git a/transcribe.py b/transcribe.py
index 4771884..d501687 100644
--- a/transcribe.py
+++ b/transcribe.py
@@ -1,11 +1,21 @@
 import sys
 from unittest.mock import MagicMock
 
-# Workaround for missing _lzma in some Python builds
+# Comprehensive workaround for missing _lzma in some Python builds
 try:
     import lzma
 except ImportError:
+    mock_lzma = MagicMock()
+    # Add common constants that libraries expect from lzma
+    mock_lzma.FORMAT_XZ = 1
+    mock_lzma.FORMAT_ALONE = 2
+    mock_lzma.FORMAT_RAW = 3
+    mock_lzma.CHECK_NONE = 0
+    mock_lzma.CHECK_CRC32 = 1
+    mock_lzma.CHECK_CRC64 = 4
+    mock_lzma.CHECK_SHA256 = 10
     sys.modules["_lzma"] = MagicMock()
+    sys.modules["lzma"] = mock_lzma
 
 import mlx_whisper
 import numpy as np