diff --git a/scripts/code_style.py b/scripts/code_style.py
index 9d36e29..54b5168 100755
--- a/scripts/code_style.py
+++ b/scripts/code_style.py
@@ -4,7 +4,19 @@
 This script must be run from the root of a Git work tree containing Mbed TLS.
 """
 # Copyright The Mbed TLS Contributors
-# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 import argparse
 import os
 import re