diff --git a/osx/conf.py b/osx/conf.py
index e50f3aa1..bcd4ff0d 100644
--- a/osx/conf.py
+++ b/osx/conf.py
@@ -2,7 +2,10 @@
 import os
 import sys
 from pathlib import Path
-from Foundation import NSBundle
+try:
+    from Foundation import NSBundle
+except:
+    pass
 
 __package__ = "meld"
 __version__ = "3.21.0.osx4"