diff --git a/ydb/core/fq/libs/actors/run_actor.cpp b/ydb/core/fq/libs/actors/run_actor.cpp
index ebb4a350d8f8..111bf5e6f65b 100644
--- a/ydb/core/fq/libs/actors/run_actor.cpp
+++ b/ydb/core/fq/libs/actors/run_actor.cpp
@@ -1997,6 +1997,7 @@ class TRunActor : public NActors::TActorBootstrapped<TRunActor> {
         NSQLTranslation::TTranslationSettings sqlSettings;
         sqlSettings.ClusterMapping = clusters;
         sqlSettings.SyntaxVersion = 1;
+        sqlSettings.Antlr4Parser = false;
         sqlSettings.PgParser = (Params.QuerySyntax == FederatedQuery::QueryContent::PG);
         sqlSettings.V0Behavior = NSQLTranslation::EV0Behavior::Disable;
         sqlSettings.Flags.insert({ "DqEngineEnable", "DqEngineForce", "DisableAnsiOptionalAs", "FlexibleTypes", "AnsiInForEmptyOrNullableItemsCollections" });