diff --git a/protob/types.proto b/protob/types.proto
index 64b9473cd..f193356ac 100644
--- a/protob/types.proto
+++ b/protob/types.proto
@@ -34,6 +34,7 @@ enum FailureType {
 	Failure_InvalidSignature = 8;
 	Failure_Other = 9;
 	Failure_NotEnoughFunds = 10;
+	Failure_NotInitialized = 11;
 	Failure_FirmwareError = 99;
 }