diff --git a/macro/PWG/common/production/run_analysis_tree_maker_json_config.C b/macro/PWG/common/production/run_analysis_tree_maker_json_config.C
index 2e0f783ac98756b64b66af1d1894c99cb34d70a9..0df344070cd9e4110b0261bee9a1c911c41799d5 100644
--- a/macro/PWG/common/production/run_analysis_tree_maker_json_config.C
+++ b/macro/PWG/common/production/run_analysis_tree_maker_json_config.C
@@ -97,7 +97,7 @@ void run_analysis_tree_maker_json_config(TString traPath = "test", TString rawPa
   // ------------------------------------------------------------------------
 
   // ----- Mc Data Manager   ------------------------------------------------
-  auto* mcManager = new CbmMCDataManager("MCManager", is_event_base);
+  auto* mcManager = new CbmMCDataManager();
   mcManager->AddFile(traFile);
   run->AddTask(mcManager);
   // ------------------------------------------------------------------------