diff --git a/kd_tree.hpp b/kd_tree.hpp
index b4a213f..d06bcae 100644
--- a/kd_tree.hpp
+++ b/kd_tree.hpp
@@ -54,6 +54,10 @@ struct Photon
   {
     float2rgbe(radiance, red, green, blue);
   }
+
+  inline void getColor(float & red, float & green, float & blue) {
+    rgbe2float(red, green, blue, radiance);
+  }
   
   inline bool equalFloat(const float x, const float y)
   {
diff --git a/photon_tracer.cpp b/photon_tracer.cpp
index 13469ea..5b281e1 100644
--- a/photon_tracer.cpp
+++ b/photon_tracer.cpp
@@ -8,7 +8,6 @@
 #include "photon_tracer.hpp"
 #include "sampling.hpp"
 #include "area_light.hpp"
-#include "rgbe.hpp"
 
 using std::cout;
 using std::endl;
@@ -117,7 +116,7 @@ vec3 PhotonTracer::trace_ray(Ray & r, Scene * s, unsigned int rec_level) const {
       mx = Vec3(i_pos.x + m_h_radius, i_pos.y + m_h_radius, i_pos.z + m_h_radius);
       photons =  m_photon_map.findInRange(mn, mx);
       for (vector<Photon>::iterator it = photons.begin(); it != photons.end(); it++) {
-	rgbe2float(red, green, blue, (*it).radiance);
+	(*it).getColor(red, green, blue);
 	p_contrib += vec3(red, green, blue);
       }
       p_contrib /= pi<float>() * (m_h_radius * m_h_radius);