diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 71768b8a1ab91b7d7afe8241b11fc571cc30b516..84aa2caf07ed203fb810220258401a1b51f7cab3 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -115,4 +115,4 @@ i:
 	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 	$(obj)/Image System.map "$(INSTALL_PATH)"
 
-subdir-	    := bootp compressed
+subdir-	    := bootp compressed dts