diff --git a/server.go b/server.go
index d10c47d3d..e85438f60 100644
--- a/server.go
+++ b/server.go
@@ -4212,6 +4212,7 @@ func newServer(ctx context.Context, profiler *profileServer,
 			DB:              s.db,
 			UtxoBackend:     utxoBackend,
 			ChainParams:     s.chainParams,
+			AllowOldForks:   cfg.AllowOldForks,
 			AssumeValid:     assumeValid,
 			TimeSource:      s.timeSource,
 			Notifications:   s.handleBlockchainNotification,