diff --git a/benchmarks/diffractive_vmp/analysis/diffractive_vm.cxx b/benchmarks/diffractive_vmp/analysis/diffractive_vm.cxx
index 72ac7b777a75f38d3d4356a80af639d26542b351..3235fa90cabe51d72f4052a9db9743fb01ba8591 100644
--- a/benchmarks/diffractive_vmp/analysis/diffractive_vm.cxx
+++ b/benchmarks/diffractive_vmp/analysis/diffractive_vm.cxx
@@ -105,8 +105,8 @@ TTreeReaderArray<float> reco_py_array = {tree_reader, "ReconstructedChargedParti
 TTreeReaderArray<float> reco_pz_array = {tree_reader, "ReconstructedChargedParticles.momentum.z"};
 TTreeReaderArray<float> reco_charge_array = {tree_reader, "ReconstructedChargedParticles.charge"};
 
-TTreeReaderArray<unsigned int> rec_id = {tree_reader, "ReconstructedChargedParticlesAssociations.recID"};
-TTreeReaderArray<unsigned int> sim_id = {tree_reader, "ReconstructedChargedParticlesAssociations.simID"};
+TTreeReaderArray<unsigned int> rec_id = {tree_reader, "ReconstructedChargedParticleAssociations.recID"};
+TTreeReaderArray<unsigned int> sim_id = {tree_reader, "ReconstructedChargedParticleAssociations.simID"};
 
 std::string output_file = output_prefix + "/output.root";
 TFile* output = new TFile(output_file.c_str(), "RECREATE");