diff --git a/openxc/formats/binary.py b/openxc/formats/binary.py
index 3797ea43..8c05d5b9 100644
--- a/openxc/formats/binary.py
+++ b/openxc/formats/binary.py
@@ -91,6 +91,8 @@ def _command_string_to_protobuf(self, command_name):
             return openxc_pb2.ControlCommand.PAYLOAD_FORMAT
         elif command_name == "predefined_obd2":
             return openxc_pb2.ControlCommand.PREDEFINED_OBD2_REQUESTS
+        elif command_name == "platform":
+            return openxc_pb2.ControlCommand.PLATFORM
         else:
             raise UnrecognizedBinaryCommandError(command_name)
 
@@ -321,6 +323,8 @@ def _protobuf_to_dict(cls, message):
                     parsed_message['command_response'] = "af_bypass"
                 elif response.type == openxc_pb2.ControlCommand.PREDEFINED_OBD2_REQUESTS:
                     parsed_message['command_response'] = "predefined_obd2"
+                elif response.type == openxc_pb2.ControlCommand.PLATFORM:
+                    parsed_message['command_response'] = "platform"
                 else:
                     raise UnrecognizedBinaryCommandError(response.type)
 
diff --git a/openxc/sources/base.py b/openxc/sources/base.py
index 7e5a3f46..80dc9f2d 100644
--- a/openxc/sources/base.py
+++ b/openxc/sources/base.py
@@ -39,7 +39,7 @@ def __init__(self, callback=None, log_mode=None, payload_format=None):
         self.running = True
         self._streamer = None
         self._formatter = None
-        self.format = payload_format
+        self._format = payload_format
 
         self.logger = SourceLogger(self, log_mode)