diff --git a/ydb/core/kqp/session_actor/kqp_query_state.cpp b/ydb/core/kqp/session_actor/kqp_query_state.cpp
index b15ad8449b08..008d036808c3 100644
--- a/ydb/core/kqp/session_actor/kqp_query_state.cpp
+++ b/ydb/core/kqp/session_actor/kqp_query_state.cpp
@@ -16,26 +16,23 @@ using namespace NSchemeCache;
 
 
 TKqpQueryState::TQueryTxId::TQueryTxId(const TQueryTxId& other) {
-    YQL_ENSURE(!IsValueSet);
+    YQL_ENSURE(!Id);
     Id = other.Id;
-    IsValueSet = true;
 }
 
 TKqpQueryState::TQueryTxId& TKqpQueryState::TQueryTxId::operator=(const TQueryTxId& id) {
-    YQL_ENSURE(!IsValueSet);
+    YQL_ENSURE(!Id);
     Id = id.Id;
-    IsValueSet = true;
     return *this;
 }
 
 void TKqpQueryState::TQueryTxId::SetValue(const TTxId& id) {
-    YQL_ENSURE(!IsValueSet);
+    YQL_ENSURE(!Id);
     Id = id.Id;
-    IsValueSet = true;
 }
 
 TTxId TKqpQueryState::TQueryTxId::GetValue() {
-    return Id;
+    return Id ? *Id : TTxId();
 }
 
 void TKqpQueryState::TQueryTxId::Reset() {
diff --git a/ydb/core/kqp/session_actor/kqp_query_state.h b/ydb/core/kqp/session_actor/kqp_query_state.h
index ec414385cb24..23ec65e7d2ef 100644
--- a/ydb/core/kqp/session_actor/kqp_query_state.h
+++ b/ydb/core/kqp/session_actor/kqp_query_state.h
@@ -45,8 +45,7 @@ class TKqpQueryState : public TNonCopyable {
         void Reset();
 
     private:
-        TTxId Id;
-        bool IsValueSet = false;
+        TMaybe<TTxId> Id;
     };
 
     TKqpQueryState(TEvKqp::TEvQueryRequest::TPtr& ev, ui64 queryId, const TString& database, const TMaybe<TString>& applicationName,
@@ -148,7 +147,7 @@ class TKqpQueryState : public TNonCopyable {
     NYql::TIssues Issues;
 
     TVector<TQueryAst> Statements;
-    TMaybe<TQueryTxId> ImpliedTxId = {}; // Implied tx
+    TMaybe<TQueryTxId> ImplicitTxId = {}; // Implicit tx for all statements
     ui32 CurrentStatementId = 0;
     ui32 StatementResultIndex = 0;
     ui32 StatementResultSize = 0;
diff --git a/ydb/core/kqp/session_actor/kqp_session_actor.cpp b/ydb/core/kqp/session_actor/kqp_session_actor.cpp
index b30957f22038..f8db4f14ce88 100644
--- a/ydb/core/kqp/session_actor/kqp_session_actor.cpp
+++ b/ydb/core/kqp/session_actor/kqp_session_actor.cpp
@@ -543,7 +543,7 @@ class TKqpSessionActor : public TActorBootstrapped<TKqpSessionActor> {
         Ydb::Table::TransactionSettings settings;
         settings.mutable_serializable_read_write();
         BeginTx(settings);
-        QueryState->ImpliedTxId = QueryState->TxId;
+        QueryState->ImplicitTxId = QueryState->TxId;
         CompileStatement();
     }
 
@@ -724,8 +724,8 @@ class TKqpSessionActor : public TActorBootstrapped<TKqpSessionActor> {
     Ydb::Table::TransactionControl GetImpliedTxControl() {
         Ydb::Table::TransactionControl control;
         control.set_commit_tx(QueryState->ProcessingLastStatement());
-        if (QueryState->ImpliedTxId) {
-            control.set_tx_id(QueryState->ImpliedTxId->GetValue().GetHumanStr());
+        if (QueryState->ImplicitTxId) {
+            control.set_tx_id(QueryState->ImplicitTxId->GetValue().GetHumanStr());
         } else {
             control.mutable_begin_tx()->mutable_serializable_read_write();
         }
@@ -748,7 +748,8 @@ class TKqpSessionActor : public TActorBootstrapped<TKqpSessionActor> {
                     }
                     QueryState->TxCtx = txCtx;
                     QueryState->QueryData = std::make_shared<TQueryData>(QueryState->TxCtx->TxAlloc);
-                    if (QueryState->TxId.GetValue() != txId) {
+                    if (hasTxControl) {
+                        LOG_E("AAA");
                         QueryState->TxId.SetValue(txId);
                     }
                     break;