diff --git a/ydb/core/protos/table_service_config.proto b/ydb/core/protos/table_service_config.proto
index 48e8bc9f96b4..af1c763b6096 100644
--- a/ydb/core/protos/table_service_config.proto
+++ b/ydb/core/protos/table_service_config.proto
@@ -285,7 +285,7 @@ message TTableServiceConfig {
     optional bool EnableOlapSink = 55 [default = false];
 
     optional bool EnablePerStatementQueryExecution = 56 [default = false];
-    optional bool EnableCreateTableAs = 57 [default = true];
+    optional bool EnableCreateTableAs = 57 [default = false];
 
     optional uint64 IdxLookupJoinPointsLimit = 58 [default = 3];
     reserved 59; //optional bool OldLookupJoinBehaviour = 59 [default = false];