diff --git a/config/blockchain.json b/config/blockchain.json
index 638c816..4259926 100644
--- a/config/blockchain.json
+++ b/config/blockchain.json
@@ -24,7 +24,7 @@
   "testnet": {
     "enabled": true,
     "networkType": "testnet",
-    "light": true,
+    "syncMode": "light",
     "rpcHost": "localhost",
     "rpcPort": 8545,
     "rpcCorsDomain": "http://localhost:8000",
diff --git a/config/contracts.json b/config/contracts.json
index c2ad38e..f66010c 100644
--- a/config/contracts.json
+++ b/config/contracts.json
@@ -84,7 +84,8 @@
       },
       "ENSSubdomainRegistry": {
         "address": "0xb1C47B61CDaeee3fA85Fe8B93FcE6311165E6291"
-      }
+      },
+      "ERC20Receiver": { "deploy": false }
     }
   },
   "rinkeby":{