diff --git a/Makefile b/Makefile
index 88128ec..e5b07d8 100644
--- a/Makefile
+++ b/Makefile
@@ -801,7 +801,7 @@
 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
 
 all:		$(ALL-y)
-ifeq ($(CONFIG_DM_I2C_COMPAT),y)
+ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y)
 	@echo "===================== WARNING ======================"
 	@echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"
 	@echo "(possibly in a subsequent patch in your series)"