--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -244,6 +244,9 @@ cmd_gzip = (cat $(filter-out FORCE,$^) |
 # ---------------------------------------------------------------------------
 DTC ?= $(objtree)/scripts/dtc/dtc
 
+# Enable overlay support
+DTC_FLAGS += -@
+
 # Disable noisy checks by default
 ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
 DTC_FLAGS += -Wno-unit_address_vs_reg \