diff --git a/polkadot/service/res/kusama.json b/polkadot/service/res/kusama.json
index d12786ec07..ae4363d670 100644
--- a/polkadot/service/res/kusama.json
+++ b/polkadot/service/res/kusama.json
@@ -27,7 +27,8 @@
   "consensusEngine": null,
   "forkBlocks": null,
   "badBlocks": [
-    "0x15b1b925b0aa5cfe43c88cd024f74258cb5cfe3af424882c901014e8acd0d241"
+      "0x15b1b925b0aa5cfe43c88cd024f74258cb5cfe3af424882c901014e8acd0d241",
+      "0x2563260209012232649ab9dc003f62e274c684037de499a23062f8e0e816c605"
   ],
   "genesis": {
     "raw": [