diff --git a/benchmarks/calorimeters/config.yml b/benchmarks/calorimeters/config.yml
index 99d5d6b10ea49e22241cc6f0353c8502e94106fe..88894a0af3031b6c225826e159c8211604f4be91 100644
--- a/benchmarks/calorimeters/config.yml
+++ b/benchmarks/calorimeters/config.yml
@@ -62,6 +62,7 @@ cal_bench:crystal_benchmark:
   needs:
     - ["cal_sim:crystal_emcal"]
   script:
+    - rootls -t sim_output/output_emcal_electrons.root
     - root -b -q benchmarks/calorimeters/simple_checking_crystal.cxx+
 
     #cal_test_3_zdc_neutrons_reader:
diff --git a/benchmarks/calorimeters/simple_checking_crystal.cxx b/benchmarks/calorimeters/simple_checking_crystal.cxx
index 6928ce3f41cc2a136fa4e27b73ce60ead2a7d024..ce3797d87dfb5a015690a11333a888d62828bed7 100644
--- a/benchmarks/calorimeters/simple_checking_crystal.cxx
+++ b/benchmarks/calorimeters/simple_checking_crystal.cxx
@@ -16,7 +16,7 @@ void simple_checking_crystal(const char* fname = "sim_output/output_emcal_electr
   
   auto nhits = [] (std::vector<dd4hep::sim::Geant4Calorimeter::Hit*>& hits){ return (int) hits.size(); };
 
-  auto d1 = d0.Define("nhits", nhits, {"EcalHits"});
+  auto d1 = d0.Define("nhits", nhits, {"CrystalEcalHits"});
   auto h0 = d1.Histo1D(TH1D("h0", "nhits; ", 20, 0,20), "nhits");
 
   auto n0 = d1.Filter([](int n){ return (n>0); },{"nhits"}).Count();