diff --git a/poky/bitbake/lib/bb/daemonize.py b/poky/bitbake/lib/bb/daemonize.py
index c937675..f01e6ec 100644
--- a/poky/bitbake/lib/bb/daemonize.py
+++ b/poky/bitbake/lib/bb/daemonize.py
@@ -1,3 +1,7 @@
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
 """
 Python Daemonizing helper