diff --git a/src/framework/core/ParticleData.xml b/src/framework/core/ParticleData.xml
index 1727681045ba9b15c92a0206607ea758725cc60e..e3d63618213a6f5afa33f015a1c58f5af269e1e2 100644
--- a/src/framework/core/ParticleData.xml
+++ b/src/framework/core/ParticleData.xml
@@ -134,7 +134,7 @@
 </particle> 
 -->
  
-<particle id="22" name="gamma" spinType="3" chargeType="0" colType="0" 
+<particle id="22" name="photon" spinType="3" chargeType="0" colType="0" 
           m0="0.00000"> 
 </particle> 
  
@@ -9265,7 +9265,7 @@
           m0="0.00000"> 
 </particle> 
  
-<particle id="4900022" name="gammav" spinType="3" chargeType="0" colType="0" 
+<particle id="4900022" name="photonv" spinType="3" chargeType="0" colType="0" 
           m0="0.00000"> 
  <channel onMode="0" bRatio="0.05" meMode="91" products="1 -1"/> 
  <channel onMode="0" bRatio="0.20" meMode="91" products="2 -2"/>