diff --git a/sbnanaobj/StandardRecord/SREnums.h b/sbnanaobj/StandardRecord/SREnums.h
index 1262e23c..36d672ef 100644
--- a/sbnanaobj/StandardRecord/SREnums.h
+++ b/sbnanaobj/StandardRecord/SREnums.h
@@ -231,7 +231,9 @@ namespace caf
     kG4Transportation=60,
     kG4msc=61,
     kG4StepLimiter=62,
-    kG4UNKNOWN=63
+    kG4LegacyUNKNOWN=63,
+    kG4RadioactiveDecayBase=64,
+    kG4UNKNOWN=1024
   };// g4_process_
 
   //==== This should be synchronized to rwtype in sbnobj/Common/SBNEventWeight/EventWeightParameterSet.h