diff --git a/Config.mk b/Config.mk
index 5ba36aada1..e829f7ec5b 100644
--- a/Config.mk
+++ b/Config.mk
@@ -253,7 +253,7 @@ QEMU_TRADITIONAL_URL ?= git://xenbits.xen.org/qemu-xen-traditional.git
 SEABIOS_UPSTREAM_URL ?= git://xenbits.xen.org/seabios.git
 MINIOS_UPSTREAM_URL ?= git://xenbits.xen.org/mini-os.git
 endif
-OVMF_UPSTREAM_REVISION ?= cb9a7ebabcd6b8a49dc0854b2f9592d732b5afbd
+OVMF_UPSTREAM_REVISION ?= af9785a9ed61daea52b47f0bf448f1f228beee1e
 QEMU_UPSTREAM_REVISION ?= qemu-xen-4.6.0
 MINIOS_UPSTREAM_REVISION ?= xen-RELEASE-4.6.0
 # Fri Jun 26 11:58:40 2015 +0100