diff --git a/fles/mcbm2018/CbmMcbm2018Source.cxx b/fles/mcbm2018/CbmMcbm2018Source.cxx
index c9edb990b4705a22af46c936bbe1218e7f844dbc..fa996adbedcf90eef30af1401b386bda2a075ca6 100644
--- a/fles/mcbm2018/CbmMcbm2018Source.cxx
+++ b/fles/mcbm2018/CbmMcbm2018Source.cxx
@@ -120,7 +120,7 @@ Bool_t CbmMcbm2018Source::Init()
   {
     LOG(fatal) << "Failed creating the TS meta data TClonesarray ";
   }
-  ioman->Register("CbmTsMeta", "TS Meta Data", fTimeSliceMetaDataArray, fbWriteOutput);
+  ioman->Register("TimesliceMetaData", "TS Meta Data", fTimeSliceMetaDataArray, fbWriteOutput);
 
   return kTRUE;
 }