diff --git a/Source/Initialization/InjectorMomentum.H b/Source/Initialization/InjectorMomentum.H
index 2da1e047826..2b8b9065a36 100644
--- a/Source/Initialization/InjectorMomentum.H
+++ b/Source/Initialization/InjectorMomentum.H
@@ -12,7 +12,7 @@
 #include "GetVelocity.H"
 #include "TemperatureProperties.H"
 #include "VelocityProperties.H"
-#include "SampleGaussianDistribution.H"
+#include "SampleGaussianFluxDistribution.H"
 #include "Utils/TextMsg.H"
 #include "Utils/WarpXConst.H"
 
diff --git a/Source/Initialization/SampleGaussianDistribution.H b/Source/Initialization/SampleGaussianFluxDistribution.H
similarity index 97%
rename from Source/Initialization/SampleGaussianDistribution.H
rename to Source/Initialization/SampleGaussianFluxDistribution.H
index b613b722e64..407c9df632a 100644
--- a/Source/Initialization/SampleGaussianDistribution.H
+++ b/Source/Initialization/SampleGaussianFluxDistribution.H
@@ -5,8 +5,8 @@
  * License: BSD-3-Clause-LBNL
  */
 
-#ifndef SAMPLE_GAUSSIAN_DISTRIBUTION_H
-#define SAMPLE_GAUSSIAN_DISTRIBUTION_H
+#ifndef SAMPLE_GAUSSIAN_FLUX_DISTRIBUTION_H
+#define SAMPLE_GAUSSIAN_FLUX_DISTRIBUTION_H
 
 #include <AMReX_Random.H>
 
diff --git a/Source/Particles/ParticleBoundaries_K.H b/Source/Particles/ParticleBoundaries_K.H
index f3d4b39a5a1..e0945743d37 100644
--- a/Source/Particles/ParticleBoundaries_K.H
+++ b/Source/Particles/ParticleBoundaries_K.H
@@ -8,7 +8,7 @@
 #define PARTICLEBOUNDARIES_K_H_
 
 #include "ParticleBoundaries.H"
-#include "Initialization/SampleGaussianDistribution.H"
+#include "Initialization/SampleGaussianFluxDistribution.H"
 
 #include <AMReX_AmrCore.H>