diff --git a/Makefile.inc b/Makefile.inc
index 59aa1ababa..501fc59807 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -81,7 +81,7 @@ PHONY+= clean-abuild coreboot check-style build_complete
 # root source directories of coreboot
 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi src/superio/common
 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
-subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
+subdirs-y += $(wildcard src/soc/*) $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
 subdirs-y += $(wildcard src/superio/*) $(wildcard src/superio/*/*)
 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
 subdirs-y += src/cpu src/vendorcode