diff --git a/drivers/pch/Makefile b/drivers/pch/Makefile
index 696cdff..8ea6b78 100644
--- a/drivers/pch/Makefile
+++ b/drivers/pch/Makefile
@@ -3,3 +3,4 @@
 obj-y += pch-uclass.o
 obj-y += pch7.o
 obj-y += pch9.o
+obj-$(CONFIG_SANDBOX) += sandbox_pch.o