diff --git a/tests/python/remfin.py b/tests/python/remfin.py
index d1bb3793e..b6f53d453 100644
--- a/tests/python/remfin.py
+++ b/tests/python/remfin.py
@@ -1,3 +1,23 @@
+# -*- mode: python; coding: utf-8 -*-
+# Copyright (C) 2015-2018 Laboratoire de Recherche et Développement
+# de l'Epita
+#
+# This file is part of Spot, a model checking library.
+#
+# Spot is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Spot is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+# License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+
import spot
# This test used to trigger an assertion (or a segfault)
diff --git a/tests/python/tra2tba.py b/tests/python/tra2tba.py
index e1e6dc8bd..a7c09a5d7 100644
--- a/tests/python/tra2tba.py
+++ b/tests/python/tra2tba.py
@@ -1,3 +1,22 @@
+# -*- mode: python; coding: utf-8 -*-
+# Copyright (C) 2016-2018 Laboratoire de Recherche et Développement
+# de l'Epita
+#
+# This file is part of Spot, a model checking library.
+#
+# Spot is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Spot is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+# License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
import spot
# Test 1.