diff --git a/benchmarks/barrel_ecal/scripts/emcal_barrel_particles_analysis.cxx b/benchmarks/barrel_ecal/scripts/emcal_barrel_particles_analysis.cxx
index c92f34029b9aec84b17be37615bf1f5de4f0ad91..a9613072ceba195c7c0604d49ffce88a87f0588e 100644
--- a/benchmarks/barrel_ecal/scripts/emcal_barrel_particles_analysis.cxx
+++ b/benchmarks/barrel_ecal/scripts/emcal_barrel_particles_analysis.cxx
@@ -5,6 +5,7 @@
 
 #include "ROOT/RDataFrame.hxx"
 #include <iostream>
+#include <fstream>
 #include <fmt/core.h>
 
 #include "dd4pod/Geant4ParticleCollection.h"