diff --git a/sumpy/tools.py b/sumpy/tools.py
index 9d73d1a1e26b56f3a8ecf4d0d2d9f301b64af3dc..4ddfb25ff9699d6ccf406505e6688ce019f54d43 100644
--- a/sumpy/tools.py
+++ b/sumpy/tools.py
@@ -1,6 +1,9 @@
 from __future__ import division, absolute_import
 
-__copyright__ = "Copyright (C) 2012 Andreas Kloeckner"
+__copyright__ = """
+Copyright (C) 2012 Andreas Kloeckner
+Copyright (C) 2018 Alexandru Fikl
+"""
 
 __license__ = """
 Permission is hereby granted, free of charge, to any person obtaining a copy