diff --git a/protob/messages.proto b/protob/messages.proto
index 9bd1a2f1e3..533743c0a6 100644
--- a/protob/messages.proto
+++ b/protob/messages.proto
@@ -318,7 +318,7 @@ message LoadDevice {
  */
 message ResetDevice {
 	optional bool display_random = 1;			// display entropy generated by the device before asking for additional entropy
-	optional uint32 strength = 2 [default=128];		// strength of seed in bits
+	optional uint32 strength = 2 [default=256];		// strength of seed in bits
 	optional bool passphrase_protection = 3;		// enable master node encryption using passphrase
 	optional bool pin_protection = 4;			// enable PIN protection
 	optional string language = 5 [default='english'];	// device language