diff --git a/src/base/stats/SConscript b/src/base/stats/SConscript
index 69ac275329..8f037ba51c 100644
--- a/src/base/stats/SConscript
+++ b/src/base/stats/SConscript
@@ -1,6 +1,7 @@
 # -*- mode:python -*-
 #
 # Copyright (c) 2021 Daniel R. Carvalho
+# Copyright (c) 2006 The Regents of The University of Michigan
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without