diff --git a/src/IntegratorNew.hh b/src/Integrator.hh
similarity index 86%
rename from src/IntegratorNew.hh
rename to src/Integrator.hh
index d46db4838..ae69976b8 100644
--- a/src/IntegratorNew.hh
+++ b/src/Integrator.hh
@@ -1,5 +1,5 @@
-#ifndef __INTEGRATOR_NEW_HH
-#define __INTEGRATOR_NEW_HH
+#ifndef __INTEGRATOR_HH
+#define __INTEGRATOR_HH
 
 #include <memory>
 #include "Eisvogel/Common.hh"
@@ -13,6 +13,6 @@ scalar_t integrate(WeightingFieldT& wf, scalar_t t, const Current0D& curr, scala
 template <class WeightingFieldT, typename KernelT = KeysCubicInterpolationKernel>
 scalar_t integrate(WeightingFieldT& wf, scalar_t t, const SparseCurrentDensity3D& current_distribution);
 
-#include "IntegratorNew.hxx"
+#include "Integrator.hxx"
 
 #endif
diff --git a/src/IntegratorNew.hxx b/src/Integrator.hxx
similarity index 100%
rename from src/IntegratorNew.hxx
rename to src/Integrator.hxx
diff --git a/src/SignalCalculator.cxx b/src/SignalCalculator.cxx
index 6e1f72527..37ee3b2ba 100644
--- a/src/SignalCalculator.cxx
+++ b/src/SignalCalculator.cxx
@@ -1,5 +1,5 @@
 #include "Eisvogel/SignalCalculator.hh"
-#include "IntegratorNew.hh"
+#include "Integrator.hh"
 
 SignalCalculator::SignalCalculator(const std::filesystem::path& geometry_path) :
   m_geometry_path(geometry_path) {