diff --git a/include/crpropa/PhotonBackground.h b/include/crpropa/PhotonBackground.h
index a3707316a..6843c0b32 100644
--- a/include/crpropa/PhotonBackground.h
+++ b/include/crpropa/PhotonBackground.h
@@ -186,6 +186,20 @@ class IRB_Stecker16_lower: public TabularPhotonField {
 	IRB_Stecker16_lower() : TabularPhotonField("IRB_Stecker16_lower", true) {}
 };
 
+/**
+ @class URB
+ @brief Extragalactic background light model from Protheroe & Biermann 1996
+
+ Source info:
+ DOI:10.1016/S0927-6505(96)00041-2
+ https://www.sciencedirect.com/science/article/abs/pii/S0927650596000412
+ */
+class URB_Protheroe96: public TabularPhotonField {
+public:
+	URB_Protheroe96() : TabularPhotonField("URB_Protheroe96", false) {}
+};
+
+
 /**
  @class BlackbodyPhotonField
  @brief Photon field decorator for black body photon fields.