diff --git a/cmd/sandbox/Makefile b/cmd/sandbox/Makefile
new file mode 100644
index 0000000..24df023
--- /dev/null
+++ b/cmd/sandbox/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-$(CONFIG_CMD_EXCEPTION) += exception.o