diff --git a/delphes/scripts/dconfig.C b/delphes/scripts/dconfig.C
index 61196a8df8321738ff7ed079227ccb2d921c3f0b..3418bff5ad98686881ef62f5448e7a8695779dbc 100644
--- a/delphes/scripts/dconfig.C
+++ b/delphes/scripts/dconfig.C
@@ -16,7 +16,7 @@ void dconfig( void )
   // Define radiator refractive index;
   delphes->SetRefractiveIndex(1.019);
   // Imitate tracker resolution;
-  delphes->SetAdditionalSmearing(1.0);
+  delphes->SetAdditionalSmearing(0.5);
 
   // Define eta ranges in ascending order;
   {