diff --git a/analyzer/consensus/consensus.go b/analyzer/consensus/consensus.go
index 1e3ebbb4a..1e54f4806 100644
--- a/analyzer/consensus/consensus.go
+++ b/analyzer/consensus/consensus.go
@@ -66,7 +66,6 @@ func OpenSignedTxNoVerify(signedTx *transaction.SignedTransaction) (*transaction
 
 // processor is the block processor for the consensus layer.
 type processor struct {
-	chain   common.ChainName
 	mode    analyzer.BlockAnalysisMode
 	history config.History
 	source  nodeapi.ConsensusApiLite
@@ -79,9 +78,8 @@ type processor struct {
 var _ block.BlockProcessor = (*processor)(nil)
 
 // NewAnalyzer returns a new analyzer for the consensus layer.
-func NewAnalyzer(chain common.ChainName, blockRange config.BlockRange, batchSize uint64, mode analyzer.BlockAnalysisMode, history config.History, source nodeapi.ConsensusApiLite, network sdkConfig.Network, target storage.TargetStorage, logger *log.Logger) (analyzer.Analyzer, error) {
+func NewAnalyzer(blockRange config.BlockRange, batchSize uint64, mode analyzer.BlockAnalysisMode, history config.History, source nodeapi.ConsensusApiLite, network sdkConfig.Network, target storage.TargetStorage, logger *log.Logger) (analyzer.Analyzer, error) {
 	processor := &processor{
-		chain:   chain,
 		mode:    mode,
 		history: history,
 		source:  source,
@@ -309,9 +307,7 @@ func (m *processor) ProcessBlock(ctx context.Context, uheight uint64) error {
 	height := int64(uheight)
 	batch := &storage.QueryBatch{}
 
-	isBlockAbsent := m.chain == common.ChainNameMainnet && height == 8048955 // Block does not exist due to mishap during upgrade to Damask.
-
-	if !isBlockAbsent {
+	if _, isBlockAbsent := m.history.MissingBlocks[uheight]; !isBlockAbsent {
 		// Fetch all data.
 		fetchTimer := m.metrics.BlockFetchLatencies()
 		data, err := fetchAllData(ctx, m.source, m.network, height, m.mode == analyzer.FastSyncMode)
diff --git a/cmd/analyzer/analyzer.go b/cmd/analyzer/analyzer.go
index 9e877ab4e..e9fe13f96 100644
--- a/cmd/analyzer/analyzer.go
+++ b/cmd/analyzer/analyzer.go
@@ -303,7 +303,7 @@ func NewService(cfg *config.AnalysisConfig) (*Service, error) { //nolint:gocyclo
 					if err1 != nil {
 						return nil, err1
 					}
-					return consensus.NewAnalyzer(cfg.Source.ChainName, *fastRange, cfg.Analyzers.Consensus.BatchSize, analyzer.FastSyncMode, *cfg.Source.History(), sourceClient, *cfg.Source.SDKNetwork(), dbClient, logger)
+					return consensus.NewAnalyzer(*fastRange, cfg.Analyzers.Consensus.BatchSize, analyzer.FastSyncMode, *cfg.Source.History(), sourceClient, *cfg.Source.SDKNetwork(), dbClient, logger)
 				})
 			}
 		}
@@ -340,7 +340,7 @@ func NewService(cfg *config.AnalysisConfig) (*Service, error) { //nolint:gocyclo
 			if err1 != nil {
 				return nil, err1
 			}
-			return consensus.NewAnalyzer(cfg.Source.ChainName, cfg.Analyzers.Consensus.SlowSyncRange(), cfg.Analyzers.Consensus.BatchSize, analyzer.SlowSyncMode, *cfg.Source.History(), sourceClient, *cfg.Source.SDKNetwork(), dbClient, logger)
+			return consensus.NewAnalyzer(cfg.Analyzers.Consensus.SlowSyncRange(), cfg.Analyzers.Consensus.BatchSize, analyzer.SlowSyncMode, *cfg.Source.History(), sourceClient, *cfg.Source.SDKNetwork(), dbClient, logger)
 		})
 	}
 	if cfg.Analyzers.Emerald != nil {
diff --git a/config/history.go b/config/history.go
index 94b281637..52bbba796 100644
--- a/config/history.go
+++ b/config/history.go
@@ -23,7 +23,8 @@ type Record struct {
 }
 
 type History struct {
-	Records []*Record `koanf:"records"`
+	Records       []*Record `koanf:"records"`
+	MissingBlocks map[uint64]struct{}
 }
 
 func (h *History) CurrentRecord() *Record {
@@ -82,6 +83,8 @@ func (h *History) RecordForRuntimeRound(runtime common.Runtime, round uint64) (*
 
 var DefaultChains = map[common.ChainName]*History{
 	common.ChainNameMainnet: {
+		// Block does not exist due to mishap during upgrade to Damask.
+		MissingBlocks: map[uint64]struct{}{8048955: {}},
 		Records: []*Record{
 			{
 				// https://github.com/oasisprotocol/mainnet-artifacts/releases/tag/2023-11-29
@@ -135,6 +138,7 @@ var DefaultChains = map[common.ChainName]*History{
 		},
 	},
 	common.ChainNameTestnet: {
+		MissingBlocks: map[uint64]struct{}{},
 		Records: []*Record{
 			{
 				// https://github.com/oasisprotocol/testnet-artifacts/releases/tag/2023-10-12