diff --git a/stubdom/Makefile b/stubdom/Makefile
index b94c4422a8..15de9eb536 100644
--- a/stubdom/Makefile
+++ b/stubdom/Makefile
@@ -1,4 +1,4 @@
-XEN_ROOT = ..
+XEN_ROOT = $(CURDIR)/..
 MINI_OS = $(XEN_ROOT)/extras/mini-os
 
 export XEN_OS=MiniOS