diff --git a/unittests/test_apiutils.py b/unittests/test_apiutils.py
index f9de6d1a037667d0ead0f02439bde13ac4f14f60..8026b7cd97e5e552eddf61b3f89c546933eaf579 100644
--- a/unittests/test_apiutils.py
+++ b/unittests/test_apiutils.py
@@ -3,6 +3,7 @@
 #
 # Copyright (C) 2020 Timm Fitschen <t.fitschen@indiscale.com>
 # Copyright (C) 2022 Florian Spreckelsen <f.spreckelsen@indiscale.com>
+# Copyright (C) 2022 Daniel Hornung <d.hornung@indiscale.com>
 # Copyright (C) 2020-2022 IndiScale GmbH <info@indiscale.com>
 # Copyright (C) 2018 Research Group Biomedical Physics,
 # Max-Planck-Institute for Dynamics and Self-Organization Göttingen