diff --git a/src/trezor/messages/LoadDevice.py b/src/trezor/messages/LoadDevice.py
index ce0db777bd..63bef4e914 100644
--- a/src/trezor/messages/LoadDevice.py
+++ b/src/trezor/messages/LoadDevice.py
@@ -11,5 +11,6 @@ class LoadDevice(p.MessageType):
         5: ('language', p.UnicodeType, 0), # default=u'english'
         6: ('label', p.UnicodeType, 0),
         7: ('skip_checksum', p.BoolType, 0),
+        8: ('u2f_counter', p.UVarintType, 0),
     }
     MESSAGE_WIRE_TYPE = 13
diff --git a/src/trezor/messages/RecoveryDevice.py b/src/trezor/messages/RecoveryDevice.py
index a39501e744..1ab03940ce 100644
--- a/src/trezor/messages/RecoveryDevice.py
+++ b/src/trezor/messages/RecoveryDevice.py
@@ -9,5 +9,6 @@ class RecoveryDevice(p.MessageType):
         4: ('language', p.UnicodeType, 0), # default=u'english'
         5: ('label', p.UnicodeType, 0),
         6: ('enforce_wordlist', p.BoolType, 0),
+        7: ('u2f_counter', p.UVarintType, 0),
     }
     MESSAGE_WIRE_TYPE = 45
diff --git a/src/trezor/messages/ResetDevice.py b/src/trezor/messages/ResetDevice.py
index 04c8467bbc..fca19d50b0 100644
--- a/src/trezor/messages/ResetDevice.py
+++ b/src/trezor/messages/ResetDevice.py
@@ -9,5 +9,6 @@ class ResetDevice(p.MessageType):
         4: ('pin_protection', p.BoolType, 0),
         5: ('language', p.UnicodeType, 0), # default=u'english'
         6: ('label', p.UnicodeType, 0),
+        7: ('u2f_counter', p.UVarintType, 0),
     }
     MESSAGE_WIRE_TYPE = 14