diff --git a/meshtastic/__init__.py b/meshtastic/__init__.py
index 94c0ee2..927b1b1 100644
--- a/meshtastic/__init__.py
+++ b/meshtastic/__init__.py
@@ -83,9 +83,11 @@ BROADCAST_NUM = 0xffffffff
 
 MY_CONFIG_ID = 42
 
-"""The numeric buildnumber (shared with android apps) specifying the level of device code we are guaranteed to understand"""
-OUR_APP_VERSION = 172
+"""The numeric buildnumber (shared with android apps) specifying the level of device code we are guaranteed to understand
 
+format is Mmmss (where M is 1+the numeric major number. i.e. 20120 means 1.1.20
+"""
+OUR_APP_VERSION = 20120 
 
 class MeshInterface:
     """Interface class for meshtastic devices