diff --git a/board/socionext/developerbox/Makefile b/board/socionext/developerbox/Makefile
new file mode 100644
index 0000000..4a46de9
--- /dev/null
+++ b/board/socionext/developerbox/Makefile
@@ -0,0 +1,9 @@
+#
+# Author: Masami Hiramatsu <masami.hiramatsu@linaro.org>
+#
+# Copyright (C) 2021 Linaro Ltd.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= developerbox.o