diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
index af1c6bb..e3e0900 100644
--- a/drivers/iommu/Makefile
+++ b/drivers/iommu/Makefile
@@ -2,4 +2,5 @@
 
 obj-$(CONFIG_IOMMU) += iommu-uclass.o
 
+obj-$(CONFIG_APPLE_DART) += apple_dart.o
 obj-$(CONFIG_SANDBOX) += sandbox_iommu.o