diff --git a/common/protob/messages-management.proto b/common/protob/messages-management.proto
index 1e6d6d2ac..0b2ebe894 100644
--- a/common/protob/messages-management.proto
+++ b/common/protob/messages-management.proto
@@ -191,6 +191,7 @@ message ResetDevice {
     optional uint32 u2f_counter = 7;                    // U2F counter
     optional bool skip_backup = 8;                      // postpone seed backup to BackupDevice workflow
     optional bool no_backup = 9;                        // indicate that no backup is going to be made
+    optional bool slip39 = 10;                          // indicate that we want SLIP-39 backup not BIP-39
 }
 
 /**