diff --git a/ydb/core/tx/replication/controller/event_util.cpp b/ydb/core/tx/replication/controller/event_util.cpp
index 4b9d766b363a..48825932868d 100644
--- a/ydb/core/tx/replication/controller/event_util.cpp
+++ b/ydb/core/tx/replication/controller/event_util.cpp
@@ -51,7 +51,7 @@ THolder<TEvService::TEvRunWorker> MakeRunWorkerEv(
             break;
         }
         case TReplication::ETargetKind::Transfer: {
-            auto p = std::dynamic_pointer_cast<TTargetTransfer::TTransferConfig>(config);
+            auto p = std::dynamic_pointer_cast<const TTargetTransfer::TTransferConfig>(config);
             auto& writerSettings = *record.MutableCommand()->MutableTransferWriter();
             dstPathId.ToProto(writerSettings.MutablePathId());
             writerSettings.SetTransformLambda(p->GetTransformLambda());
diff --git a/ydb/core/tx/replication/controller/replication.h b/ydb/core/tx/replication/controller/replication.h
index c184590aa692..8a200893787f 100644
--- a/ydb/core/tx/replication/controller/replication.h
+++ b/ydb/core/tx/replication/controller/replication.h
@@ -56,7 +56,7 @@ class TReplication: public TSimpleRefCount<TReplication> {
     class ITarget {
     public:
         struct IConfig {
-            using TPtr = std::shared_ptr<IConfig>;
+            using TPtr = std::shared_ptr<const IConfig>;
 
             virtual ~IConfig() = default;
 
diff --git a/ydb/core/tx/replication/controller/tx_discovery_targets_result.cpp b/ydb/core/tx/replication/controller/tx_discovery_targets_result.cpp
index 8649dc061030..cd247e2b5dde 100644
--- a/ydb/core/tx/replication/controller/tx_discovery_targets_result.cpp
+++ b/ydb/core/tx/replication/controller/tx_discovery_targets_result.cpp
@@ -47,7 +47,7 @@ class TController::TTxDiscoveryTargetsResult: public TTxBase {
                 const auto tid = Replication->AddTarget(target.Kind, target.Config);
                 
                 TString transformLambda;
-                if (auto p = std::dynamic_pointer_cast<TTargetTransfer::TTransferConfig>(target.Config)) {
+                if (auto p = std::dynamic_pointer_cast<const TTargetTransfer::TTransferConfig>(target.Config)) {
                     transformLambda = p->GetTransformLambda();
                 }