--- a/bacnet/web_settings.py	Mon Jun 15 14:27:58 2020 +0200
+++ b/bacnet/web_settings.py	Mon Jun 15 14:29:41 2020 +0200
@@ -69,8 +69,7 @@
 # before it gets a chance to start running
 #
 #_BACnetConfFilename = None
-_BACnetConfFilename = "/tmp/BeremizBACnetConfig.json"
-
+_BACnetConfFilename = os.path.join(WorkingDir, "bacnetconf.json")