diff --git a/ethcore/res/tendermint.json b/ethcore/res/tendermint.json
index e411d54e2..28c0fd43c 100644
--- a/ethcore/res/tendermint.json
+++ b/ethcore/res/tendermint.json
@@ -21,7 +21,7 @@
 		"seal": {
 			"generic": {
 				"fields": 3,
-				"rlp": "0x40010"
+				"rlp": "80b8410000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f843b8410000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
 			}
 		},
 		"difficulty": "0x20000",