diff --git a/packages/eth-rpc-adapter/src/__tests__/e2e/__snapshots__/endpoint.test.ts.snap b/packages/eth-rpc-adapter/src/__tests__/e2e/__snapshots__/endpoint.test.ts.snap
index 33d72ff64..6bdc0339c 100644
--- a/packages/eth-rpc-adapter/src/__tests__/e2e/__snapshots__/endpoint.test.ts.snap
+++ b/packages/eth-rpc-adapter/src/__tests__/e2e/__snapshots__/endpoint.test.ts.snap
@@ -1,5 +1,55 @@
 // Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
+exports[`endpoint > eth_getBlockByNumber > for very old runtime 1`] = `
+{
+  "difficulty": "0x0",
+  "extraData": "0x",
+  "gasLimit": "0x1c99c80",
+  "gasUsed": "0x0",
+  "hash": "0x000643ffd6bbb04682ae1675e2e478e4c8ecd7c7b9d7e9d1eafe1b6095f751e3",
+  "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  "miner": "0x8ce1cab8e0d55252720728bc495d05841ea3dc23",
+  "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+  "nonce": "0x0000000000000000",
+  "number": "0x5ae2c",
+  "parentHash": "0xe2ebe9eb139f9bc88862615f6a0c5095417595a0f80bd4f7f94c1c3753499973",
+  "receiptsRoot": "0xd3596ebbbb67ac571735047e856cecb63f3d8a519af4699ecc4505de59d570e5",
+  "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
+  "size": "0xa80",
+  "stateRoot": "0xd440bfe07178304657083255758ec74358a3ed592720a8484015d1d89950e81e",
+  "timestamp": "0x611f2b1e",
+  "totalDifficulty": "0x0",
+  "transactions": [],
+  "transactionsRoot": "0xd3596ebbbb67ac571735047e856cecb63f3d8a519af4699ecc4505de59d570e5",
+  "uncles": [],
+}
+`;
+
+exports[`endpoint > eth_getBlockByNumber > for very old runtime 2`] = `
+{
+  "difficulty": "0x0",
+  "extraData": "0x",
+  "gasLimit": "0x1c99c80",
+  "gasUsed": "0x0",
+  "hash": "0x000643ffd6bbb04682ae1675e2e478e4c8ecd7c7b9d7e9d1eafe1b6095f751e3",
+  "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  "miner": "0x8ce1cab8e0d55252720728bc495d05841ea3dc23",
+  "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+  "nonce": "0x0000000000000000",
+  "number": "0x5ae2c",
+  "parentHash": "0xe2ebe9eb139f9bc88862615f6a0c5095417595a0f80bd4f7f94c1c3753499973",
+  "receiptsRoot": "0xd3596ebbbb67ac571735047e856cecb63f3d8a519af4699ecc4505de59d570e5",
+  "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
+  "size": "0xa80",
+  "stateRoot": "0xd440bfe07178304657083255758ec74358a3ed592720a8484015d1d89950e81e",
+  "timestamp": "0x611f2b1e",
+  "totalDifficulty": "0x0",
+  "transactions": [],
+  "transactionsRoot": "0xd3596ebbbb67ac571735047e856cecb63f3d8a519af4699ecc4505de59d570e5",
+  "uncles": [],
+}
+`;
+
 exports[`endpoint > eth_getBlockByNumber > when there are >= 2 EVM transactions 1`] = `
 {
   "difficulty": "0x0",
diff --git a/packages/eth-rpc-adapter/src/__tests__/e2e/endpoint.test.ts b/packages/eth-rpc-adapter/src/__tests__/e2e/endpoint.test.ts
index bffe6c488..6f89f3ca0 100644
--- a/packages/eth-rpc-adapter/src/__tests__/e2e/endpoint.test.ts
+++ b/packages/eth-rpc-adapter/src/__tests__/e2e/endpoint.test.ts
@@ -1238,6 +1238,14 @@ describe('endpoint', () => {
       expect(resFull).toMatchSnapshot();
       expect(res).toMatchSnapshot();
     });
+
+    it('for very old runtime', async () => {
+      const resFull = (await eth_getBlockByNumber_karura([372268, true])).data.result;
+      const res = (await eth_getBlockByNumber_karura([372268, false])).data.result;
+
+      expect(resFull).toMatchSnapshot();
+      expect(res).toMatchSnapshot();
+    });
   });
 
   describe('eth_getBalance', () => {