diff --git a/proto/magic_pair_enums.proto b/proto/magic_pair_enums.proto
index 9728e814..96a37388 100644
--- a/proto/magic_pair_enums.proto
+++ b/proto/magic_pair_enums.proto
@@ -93,6 +93,7 @@ message MagicPairEvent {
     POSSIBLE_MITM = 2;
     NO_PERMISSION = 3;
     INCORRECT_VARIANT = 4;
+    FAILED_BUT_ALREADY_RECEIVE_PASS_KEY = 5;
   }
 
   enum ConnectErrorCode {