diff --git a/macro/PWG/common/production/run_reco_json_config.C b/macro/PWG/common/production/run_reco_json_config.C
index f04de8c78086775aa19b400fcaa783ce3aef394e..fd18cbd4a7e2125541db156852188a3c99a2f797 100644
--- a/macro/PWG/common/production/run_reco_json_config.C
+++ b/macro/PWG/common/production/run_reco_json_config.C
@@ -253,6 +253,8 @@ void run_reco_json_config(TString input = "", Int_t nTimeSlices = -1, Int_t firs
       }
       // Set STS as reference detector
       evBuildRaw->SetReferenceDetector(kRawEventBuilderDetSts);
+      // Make Bmon (previous reference detector) a selected detector (with default parameters)
+      evBuildRaw->AddDetector(kRawEventBuilderDetT0);
 
       // Use sliding window seed builder with STS
       //evBuildRaw->SetReferenceDetector(kRawEventBuilderDetUndef);