diff --git a/trezorlib/messages/Features.py b/trezorlib/messages/Features.py
index a57f9042a5..52858d065e 100644
--- a/trezorlib/messages/Features.py
+++ b/trezorlib/messages/Features.py
@@ -32,5 +32,6 @@ class Features(p.MessageType):
         24: ('fw_patch', p.UVarintType, 0),
         25: ('fw_vendor', p.UnicodeType, 0),
         26: ('fw_vendor_keys', p.BytesType, 0),
+        27: ('state', p.BytesType, 0),
     }
     MESSAGE_WIRE_TYPE = 17
diff --git a/trezorlib/messages/Initialize.py b/trezorlib/messages/Initialize.py
index 3c43572de7..01d4e42069 100644
--- a/trezorlib/messages/Initialize.py
+++ b/trezorlib/messages/Initialize.py
@@ -4,4 +4,7 @@ from .. import protobuf as p
 
 
 class Initialize(p.MessageType):
+    FIELDS = {
+        1: ('state', p.BytesType, 0),
+    }
     MESSAGE_WIRE_TYPE = 0