diff --git a/board/BuS/EB+MCF-EV123/config.mk b/board/BuS/EB+MCF-EV123/config.mk
index 9fe2fc5dae..f03e3962d0 100644
--- a/board/BuS/EB+MCF-EV123/config.mk
+++ b/board/BuS/EB+MCF-EV123/config.mk
@@ -22,7 +22,7 @@
 # MA 02111-1307 USA
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/textbase.mk
+sinclude $(OBJTREE)/board/$(BOARDDIR)/textbase.mk
 ifndef TEXT_BASE
 TEXT_BASE = 0xFE000000
 endif
diff --git a/board/amcc/canyonlands/config.mk b/board/amcc/canyonlands/config.mk
index 1e4bbc47e6..7e79536798 100644
--- a/board/amcc/canyonlands/config.mk
+++ b/board/amcc/canyonlands/config.mk
@@ -24,7 +24,7 @@
 # AMCC 460EX/460GT Evaluation Board (Canyonlands) board
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
 
 ifndef TEXT_BASE
 TEXT_BASE = 0xFFFA0000
diff --git a/board/esd/mecp5200/config.mk b/board/esd/mecp5200/config.mk
index 07b5de1881..170779d6c1 100644
--- a/board/esd/mecp5200/config.mk
+++ b/board/esd/mecp5200/config.mk
@@ -32,7 +32,7 @@
 #	0x00100000   boot from RAM (for testing only)
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
 
 ifndef TEXT_BASE
 ## Standard: boot high
diff --git a/board/linkstation/config.mk b/board/linkstation/config.mk
index bdf611dc2b..d04829014e 100644
--- a/board/linkstation/config.mk
+++ b/board/linkstation/config.mk
@@ -35,7 +35,7 @@
 #       0x07F00000   boot from RAM
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
 
 ifndef TEXT_BASE
 # For flash image - all models
diff --git a/board/munices/config.mk b/board/munices/config.mk
index d226244a1c..1b573bc882 100644
--- a/board/munices/config.mk
+++ b/board/munices/config.mk
@@ -29,7 +29,7 @@
 #	0xFFF00000   boot high (standard configuration)
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
 
 ifndef TEXT_BASE
 TEXT_BASE = 0xFFF00000
diff --git a/board/v38b/config.mk b/board/v38b/config.mk
index 75577fcbec..bc55fc7b29 100644
--- a/board/v38b/config.mk
+++ b/board/v38b/config.mk
@@ -25,7 +25,7 @@
 # MarelV38B board
 #
 
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
 
 TEXT_BASE = 0xFF000000