diff --git a/py34/bacpypes/app.py b/py34/bacpypes/app.py
index 4710b77..9f15972 100755
--- a/py34/bacpypes/app.py
+++ b/py34/bacpypes/app.py
@@ -107,9 +107,9 @@ class LocalDeviceObject(DeviceObject, Logging):
 
         # check for registration
         if self.__class__ not in registered_object_types.values():
-            if 'vendorId' not in kwargs:
+            if 'vendorIdentifier' not in kwargs:
                 raise RuntimeError("vendorId required to auto-register the LocalDeviceObject class")
-            register_object_type(self.__class__, vendor_id=kwargs['vendorId'])
+            register_object_type(self.__class__, vendor_id=kwargs['vendorIdentifier'])
 
         # check for local time
         if 'localDate' in kwargs:
diff --git a/py34/bacpypes/comm.py b/py34/bacpypes/comm.py
index c9f786c..0743bc0 100755
--- a/py34/bacpypes/comm.py
+++ b/py34/bacpypes/comm.py
@@ -574,7 +574,7 @@ def bind(*args):
                 raise RuntimeError("mistery unbound service {!r}".format(sid))
 
     # go through the argument pairs
-    for i in xrange(len(args)-1):
+    for i in range(len(args)-1):
         client = args[i]
         if _debug: bind._debug("    - client: %r", client)
         server = args[i+1]