diff --git a/protob/messages.proto b/protob/messages.proto
index bcb11fb12..3afdc94f8 100644
--- a/protob/messages.proto
+++ b/protob/messages.proto
@@ -343,6 +343,7 @@ message LoadDevice {
 	optional string language = 5 [default='english'];	// device language
 	optional string label = 6;				// device label
 	optional bool skip_checksum = 7;			// do not test mnemonic for valid BIP-39 checksum
+	optional uint32 u2f_counter = 8;			// U2F counter
 }
 
 /**
@@ -357,6 +358,7 @@ message ResetDevice {
 	optional bool pin_protection = 4;			// enable PIN protection
 	optional string language = 5 [default='english'];	// device language
 	optional string label = 6;				// device label
+	optional uint32 u2f_counter = 7;			// U2F counter
 }
 
 /**
@@ -388,6 +390,7 @@ message RecoveryDevice {
 	optional string language = 4 [default='english'];	// device language
 	optional string label = 5;				// device label
 	optional bool enforce_wordlist = 6;			// enforce BIP-39 wordlist during the process
+	optional uint32 u2f_counter = 7;			// U2F counter
 }
 
 /**