diff --git a/Mac/scripts/EditPythonPrefs.py b/Mac/scripts/EditPythonPrefs.py
index 5ceb181..78da11b 100644
--- a/Mac/scripts/EditPythonPrefs.py
+++ b/Mac/scripts/EditPythonPrefs.py
@@ -38,6 +38,7 @@
 opt_dialog_map = [
 	None,
 	None,
+	None,
 	"inspect",
 	"verbose",
 	"optimize",