diff --git a/DDSim/Helper/LCIO.py b/DDSim/Helper/LCIO.py
index 600062ae697f908379b0191c9d874fab68c7cfdc..8024078594cc4ec227df80f70c04c6d0271c9b18 100644
--- a/DDSim/Helper/LCIO.py
+++ b/DDSim/Helper/LCIO.py
@@ -14,7 +14,8 @@ class LCIO( Input ):
     Default is "MCParticle".
     """
     return self._parameters["mcParticleCollectionName"]
-  @particlesPerEvent.setter
-  def particlesPerEvent( self, val ):
+  
+  @mcParticleCollectionName.setter
+  def mcParticleCollectionName( self, val ):
     self._parameters["mcParticleCollectionName"] = val