diff --git a/pezkuwi-assethub.yaml b/pezkuwi-assethub.yaml
index 26d7806..9f25c0c 100644
--- a/pezkuwi-assethub.yaml
+++ b/pezkuwi-assethub.yaml
@@ -13,13 +13,13 @@ repository: https://github.com/pezkuwichain/pezkuwi-subquery
 schema:
   file: ./schema.graphql
 network:
-  chainId: "0x00d0e1d0581c3cd5c5768652d52f4520184018b44f56a2ae1e0dc9d65c00c948"
+  chainId: "0xe7c15092dcbe3f320260ddbbc685bfceed9125a3b3d8436db2766201dec3b949"
   endpoint:
     - wss://asset-hub-rpc.pezkuwichain.io
 dataSources:
   - name: main
     kind: substrate/Runtime
-    startBlock: 198000
+    startBlock: 1
     mapping:
       file: ./dist/index.js
       handlers:
diff --git a/pezkuwi.yaml b/pezkuwi.yaml
index 9eed7fd..06eb6d5 100644
--- a/pezkuwi.yaml
+++ b/pezkuwi.yaml
@@ -13,7 +13,7 @@ repository: https://github.com/pezkuwichain/pezkuwi-subquery
 schema:
   file: ./schema.graphql
 network:
-  chainId: "0xbb4a61ab0c4b8c12f5eab71d0c86c482e03a275ecdafee678dea712474d33d75"
+  chainId: "0x1aa94987791a5544e9667ec249d2cef1b8fdd6083c85b93fc37892d54a1156ca"
   endpoint:
     - wss://rpc.pezkuwichain.io
     - wss://mainnet.pezkuwichain.io
@@ -22,7 +22,7 @@ network:
 dataSources:
   - name: main
     kind: substrate/Runtime
-    startBlock: 199000
+    startBlock: 1
     mapping:
       file: ./dist/index.js
       handlers:
diff --git a/src/mappings/constants.ts b/src/mappings/constants.ts
index be9ecef..1a4c5c4 100644
--- a/src/mappings/constants.ts
+++ b/src/mappings/constants.ts
@@ -1,8 +1,8 @@
 // Pezkuwi chain genesis hashes (with 0x prefix, as the app expects)
 export const PEZKUWI_RELAY_GENESIS =
-  "0xbb4a61ab0c4b8c12f5eab71d0c86c482e03a275ecdafee678dea712474d33d75";
+  "0x1aa94987791a5544e9667ec249d2cef1b8fdd6083c85b93fc37892d54a1156ca";
 export const PEZKUWI_ASSET_HUB_GENESIS =
-  "0x00d0e1d0581c3cd5c5768652d52f4520184018b44f56a2ae1e0dc9d65c00c948";
+  "0xe7c15092dcbe3f320260ddbbc685bfceed9125a3b3d8436db2766201dec3b949";
 
 // Staking type identifiers (must match the app's mapStakingTypeToSubQueryId)
 export const STAKING_TYPE_RELAYCHAIN = "relaychain";