diff --git a/.travis.yml b/.travis.yml
index 1860eff..563b1b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,4 +20,4 @@ addons:
     - time
     - libxen-dev
 env:
-  - FORK_USER=talex5 FORK_BRANCH=unikernel OCAML_VERSION=4.02 MIRAGE_BACKEND=xen PINS="mirage-xen:https://github.com/talex5/mirage-platform.git#mm mirage-nat:https://github.com/talex5/mirage-nat.git#simplify-checksum tcpip:https://github.com/mirage/mirage-tcpip.git"
+  - FORK_USER=talex5 FORK_BRANCH=unikernel OCAML_VERSION=4.02 MIRAGE_BACKEND=xen PINS="mirage-xen:https://github.com/talex5/mirage-platform.git#mm mirage-nat:https://github.com/talex5/mirage-nat.git#simplify-checksum tcpip:https://github.com/mirage/mirage-tcpip.git mirage-bootvar-xen:https://github.com/talex5/mirage-bootvar-xen.git#qubes"
diff --git a/README.md b/README.md
index 5fbba36..092c219 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ To build (tested by creating a fresh Fedora 23 AppVM in Qubes):
         opam pin add -y mirage-xen 'https://github.com/talex5/mirage-platform.git#mm'
         opam pin add -y tcpip https://github.com/mirage/mirage-tcpip.git
         opam pin add -y mirage-nat 'https://github.com/talex5/mirage-nat.git#simplify-checksum'
+	opam pin add -y mirage-bootvar-xen 'https://github.com/talex5/mirage-bootvar-xen.git#qubes'
         opam install mirage
 
 3. Build mirage-firewall: