diff --git a/configs/c5471evm/src/Makefile b/configs/c5471evm/src/Makefile
index a44558a45d..fab7141e58 100644
--- a/configs/c5471evm/src/Makefile
+++ b/configs/c5471evm/src/Makefile
@@ -46,7 +46,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/arm
 
 all: libboard$(LIBEXT)
 
diff --git a/configs/eagle100/src/Makefile b/configs/eagle100/src/Makefile
index 5d5e93cc3f..80f3d27418 100644
--- a/configs/eagle100/src/Makefile
+++ b/configs/eagle100/src/Makefile
@@ -46,7 +46,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/cortexm3
 
 all: libboard$(LIBEXT)
 
diff --git a/configs/mcu123-lpc214x/src/Makefile b/configs/mcu123-lpc214x/src/Makefile
index 82ae474b32..d71ee10ee0 100644
--- a/configs/mcu123-lpc214x/src/Makefile
+++ b/configs/mcu123-lpc214x/src/Makefile
@@ -36,7 +36,7 @@
 -include $(TOPDIR)/Make.defs
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(TOPDIR)/sched
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/arm -I$(TOPDIR)/sched
 
 ASRCS		= 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
diff --git a/configs/mx1ads/src/Makefile b/configs/mx1ads/src/Makefile
index 9078d58322..56d3af3f3d 100644
--- a/configs/mx1ads/src/Makefile
+++ b/configs/mx1ads/src/Makefile
@@ -46,7 +46,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/arm
 
 all: libboard$(LIBEXT)
 
diff --git a/configs/ntosd-dm320/src/Makefile b/configs/ntosd-dm320/src/Makefile
index 51ab671d01..1bd4b6291b 100644
--- a/configs/ntosd-dm320/src/Makefile
+++ b/configs/ntosd-dm320/src/Makefile
@@ -46,7 +46,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/arm
 
 all: libboard$(LIBEXT)
 
diff --git a/configs/olimex-strp711/src/Makefile b/configs/olimex-strp711/src/Makefile
index bff294aef3..5d8c82b970 100644
--- a/configs/olimex-strp711/src/Makefile
+++ b/configs/olimex-strp711/src/Makefile
@@ -36,7 +36,7 @@
 -include $(TOPDIR)/Make.defs
 
 ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(TOPDIR)/sched
+CFLAGS		+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/arm -I$(TOPDIR)/sched
 
 ASRCS		= 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))