diff --git a/reco/detectors/tof/CbmTofEventClusterizer.cxx b/reco/detectors/tof/CbmTofEventClusterizer.cxx
index 6ed55b45e73315ad92ff5be7ac8e097a94eccf3f..121bcbb96d2077fd38f422383eb94bbd3e13cc0a 100644
--- a/reco/detectors/tof/CbmTofEventClusterizer.cxx
+++ b/reco/detectors/tof/CbmTofEventClusterizer.cxx
@@ -1434,8 +1434,8 @@ Bool_t CbmTofEventClusterizer::CreateHistos() {
       0,
       fDigiBdfPar->GetNbChan(iSmType, iRpcId) * 2,
       20.,
-      0.,
-      20.);
+      0.5,
+      20.5);
 
     fhRpcCluMul[iDetIndx] = new TH1F(
       Form("cl_SmT%01d_sm%03d_rpc%03d_Mul", iSmType, iSmId, iRpcId),