diff --git a/Makefile b/Makefile
index 980ab26b2..31826f14a 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,9 @@ endif
 .DEFAULT_GOAL := all
 
 space := $(subst ,, )
-starting_makefile := $(subst $(space),_SPACE_,$(abspath $(firstword $(MAKEFILE_LIST))))
-mkfile_path := $(subst $(space),_SPACE_,$(abspath $(lastword $(MAKEFILE_LIST))))
+ESCAPED_ABS_PATH = $(subst $(space),_SPACE_,$(abspath $1))
+starting_makefile := $(call ESCAPED_ABS_PATH,$(firstword $(MAKEFILE_LIST)))
+mkfile_path := $(call ESCAPED_ABS_PATH,$(lastword $(MAKEFILE_LIST))))
 abs_tmk_root := $(patsubst %/,%,$(dir $(mkfile_path)))
 
 ifneq (,$(findstring /keyboards/,$(starting_makefile)))
@@ -83,10 +84,8 @@ endif
 
 ifneq ("$(wildcard $(KEYBOARD_PATH)/$(KEYBOARD).c)","")
 	KEYBOARD_FILE = keyboards/$(KEYBOARD)/$(KEYBOARD).c
-	ifndef ARCH
-		ifneq ("$(wildcard $(KEYBOARD_PATH)/Makefile)","")
-			include $(KEYBOARD_PATH)/Makefile
-		endif
+	ifneq ($(call ESCAPED_ABS_PATH,$(KEYBOARD_PATH)/Makefile),$(starting_makefile))
+		-include $(KEYBOARD_PATH)/Makefile
 	endif
 else 
 $(error "$(KEYBOARD_PATH)/$(KEYBOARD).c" does not exist)
@@ -101,7 +100,9 @@ ifdef SUBPROJECT
 	ifneq ("$(wildcard $(SUBPROJECT_PATH)/$(SUBPROJECT).c)","")
 		OPT_DEFS += -DSUBPROJECT_$(SUBPROJECT)
 		SUBPROJECT_FILE = keyboards/$(KEYBOARD)/$(SUBPROJECT)/$(SUBPROJECT).c
-		-include $(SUBPROJECT_PATH)/Makefile
+		ifneq ($(call ESCAPED_ABS_PATH,$(SUBPROJECT_PATH)/Makefile),$(starting_makefile))
+			-include $(SUBPROJECT_PATH)/Makefile
+		endif
 	else 
 $(error "$(SUBPROJECT_PATH)/$(SUBPROJECT).c" does not exist)
 	endif
@@ -119,14 +120,18 @@ endif
 KEYMAP_PATH = $(KEYBOARD_PATH)/keymaps/$(KEYMAP)
 ifneq ("$(wildcard $(KEYMAP_PATH)/keymap.c)","")
 	KEYMAP_FILE = keyboards/$(KEYBOARD)/keymaps/$(KEYMAP)/keymap.c
-	-include $(KEYMAP_PATH)/Makefile
+	ifneq ($(call ESCAPED_ABS_PATH,$(KEYMAP_PATH)/Makefile),$(starting_makefile))
+		-include $(KEYMAP_PATH)/Makefile
+	endif
 else 
 	ifeq ("$(wildcard $(SUBPROJECT_PATH)/keymaps/$(KEYMAP)/keymap.c)","")
 $(error "$(KEYMAP_PATH)/keymap.c" does not exist)
 	else
 		KEYMAP_PATH = $(SUBPROJECT_PATH)/keymaps/$(KEYMAP)
 		KEYMAP_FILE = keyboards/$(KEYBOARD)/$(SUBPROJECT)/keymaps/$(KEYMAP)/keymap.c
-		-include $(KEYMAP_PATH)/Makefile
+		ifneq ($(call ESCAPED_ABS_PATH,$(KEYMAP_PATH)/Makefile),$(starting_makefile))
+			-include $(KEYMAP_PATH)/Makefile
+		endif
 	endif
 endif