diff --git a/Mk/tree.mk b/Mk/tree.mk
index 023af6823..e74e960cb 100644
--- a/Mk/tree.mk
+++ b/Mk/tree.mk
@@ -1,5 +1,7 @@
 all:
 
+ROOT?=	/usr/local
+
 .for TARGET in ${TREES} ${EXTRAS}
 
 .if "${TREES_${TARGET}}" == ""
diff --git a/src/Makefile b/src/Makefile
index 18c12d223..22cbfcfff 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,11 +1,7 @@
 TREES=		boot etc opnsense sbin wizard www
-
-ROOT=		/usr/local
 ROOT_boot=	/
 
 EXTRAS=		bootstrap
-
 TREES_bootstrap=etc/pkg
-ROOT_bootstrap=	/usr/local
 
 .include "../Mk/tree.mk"