diff --git a/benchmarks/dis/analysis/dis_analysis_raw.cxx b/benchmarks/dis/analysis/dis_analysis_raw.cxx
index 4b020fe8f5195d99a6aa1b96b8061434b31627f2..018a1a7cc6ea2037fe87eee7e6c91d3a71d68d90 100644
--- a/benchmarks/dis/analysis/dis_analysis_raw.cxx
+++ b/benchmarks/dis/analysis/dis_analysis_raw.cxx
@@ -267,7 +267,7 @@ int dis_electrons_raw(const std::string& config_name)
 
     c.cd(4);
     gPad->SetLogy(true);
-    auto& h1 = *h_tdc_EcalBarrelScFiRawHits;
+    auto& h4 = *h_tdc_EcalBarrelScFiRawHits;
     // histogram style
     h4.SetLineColor(common_bench::plot::kMpBlue);
     h4.SetLineWidth(2);