diff --git a/executer/user/Makefile.in b/executer/user/Makefile.in
index d805f924..c1a5a885 100644
--- a/executer/user/Makefile.in
+++ b/executer/user/Makefile.in
@@ -5,7 +5,7 @@ exec_prefix=@exec_prefix@
 LIBDIR=@libdir@
 MCKERNEL_LIBDIR=@MCKERNEL_LIBDIR@
 KDIR ?= @KDIR@
-CFLAGS=-Wall -O -I. -Iarch/${ARCH}
+CFLAGS=-Wall -O -I. -I$(VPATH)/arch/${ARCH}
 VPATH=@abs_srcdir@
 TARGET=mcexec libsched_yield
 @uncomment_if_ENABLE_MEMDUMP@TARGET+=eclair