diff --git a/ethcore/res/ethereum/kovan.json b/ethcore/res/ethereum/kovan.json
index 7708f0c04..e9c059aaa 100644
--- a/ethcore/res/ethereum/kovan.json
+++ b/ethcore/res/ethereum/kovan.json
@@ -5,6 +5,7 @@
     "authorityRound": {
       "params": {
         "gasLimitBoundDivisor": "0x400",
+        "registrar" : "0xfAb104398BBefbd47752E7702D9fE23047E1Bca3",
         "stepDuration": "4",
         "blockReward": "0x4563918244F40000",
         "validators" : {