diff --git a/beacon/blockchain/init_chain.go b/beacon/blockchain/init_chain.go
index e3835cd2c7..37d5d32111 100644
--- a/beacon/blockchain/init_chain.go
+++ b/beacon/blockchain/init_chain.go
@@ -40,10 +40,23 @@ func (s *Service[
 		s.logger.Error("Failed to unmarshal genesis data", "error", err)
 		return nil, err
 	}
-	return s.stateProcessor.InitializePreminedBeaconStateFromEth1(
+
+	validatorUpdates, err := s.stateProcessor.InitializePreminedBeaconStateFromEth1(
 		s.storageBackend.StateFromContext(ctx),
 		genesisData.GetDeposits(),
 		genesisData.GetExecutionPayloadHeader(),
 		genesisData.GetForkVersion(),
-	)
+	); err != nil {
+		return nil, err
+	}
+
+	// After deposits are validated, store the genesis deposits in the deposit store.
+	if err := s.storageBackend.DepositStore().EnqueueDeposits(
+		genesisData.GetDeposits(),
+	); err != nil {
+		return nil, err
+	}
+
+	return validatorUpdates, nil
 }
+