diff --git a/gio/tests/appmonitor.c b/gio/tests/appmonitor.c
index 9db8c4dea..076e7c8a9 100644
--- a/gio/tests/appmonitor.c
+++ b/gio/tests/appmonitor.c
@@ -1,3 +1,24 @@
+/* GLib testing framework examples and tests
+ *
+ * Copyright © 2013 Red Hat, Inc.
+ * Copyright © 2015, 2017, 2018 Endless Mobile, Inc.
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <gio/gio.h>
 #include <gstdio.h>