diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4cded5de75..da50775a7c 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -16,6 +16,7 @@ Test fixtures for use by clients are available for each release on the [Github r
 - ✨ A metadata folder `.meta/` now stores all fixture metadata files by default ([#721](https://github.com/ethereum/execution-spec-tests/pull/721)).
 - 🐞 Fixed `fill` command index generation issue due to concurrency ([#725](https://github.com/ethereum/execution-spec-tests/pull/725)).
 - 🐞 Fixed fixture index generation on EOF tests ([#728](https://github.com/ethereum/execution-spec-tests/pull/728)).
+- 🐞 Fixes consume genesis mismatch exception for hive based simulators ([#734](https://github.com/ethereum/execution-spec-tests/pull/734)).
 
 ### 🔧 EVM Tools
 
diff --git a/src/pytest_plugins/consume/hive_simulators/engine/test_via_engine.py b/src/pytest_plugins/consume/hive_simulators/engine/test_via_engine.py
index c7a271329c..287907309e 100644
--- a/src/pytest_plugins/consume/hive_simulators/engine/test_via_engine.py
+++ b/src/pytest_plugins/consume/hive_simulators/engine/test_via_engine.py
@@ -4,8 +4,8 @@
 
 Each `engine_newPayloadVX` is verified against the appropriate VALID/INVALID responses.
 """
+
 from ethereum_test_fixtures import BlockchainEngineFixture, FixtureFormats
-from ethereum_test_fixtures.blockchain import FixtureHeader
 from ethereum_test_tools.rpc import EngineRPC, EthRPC
 from ethereum_test_tools.rpc.types import ForkchoiceState, PayloadStatusEnum
 from pytest_plugins.consume.hive_simulators.exceptions import GenesisBlockMismatchException
@@ -45,7 +45,7 @@ def test_via_engine(
         if genesis_block["hash"] != str(blockchain_fixture.genesis.block_hash):
             raise GenesisBlockMismatchException(
                 expected_header=blockchain_fixture.genesis,
-                got_header=FixtureHeader(**genesis_block),
+                got_genesis_block=genesis_block,
             )
 
     with timing_data.time("Payloads execution") as total_payload_timing: