diff --git a/src/py/bbctrl/State.py b/src/py/bbctrl/State.py
index d29c27e..a02deb4 100644
--- a/src/py/bbctrl/State.py
+++ b/src/py/bbctrl/State.py
@@ -283,6 +283,8 @@ class State(object):
 
     def config(self, code, value):
         # Set machine variables via mach, others directly
+        self.log.info('update state using code %s' % code)
+        self.log.info('update state using value %s' % value)
         if code in self.machine_var_set: self.ctrl.mach.set(code, value)
         else: self.set(code, value)