diff --git a/Config.mk b/Config.mk
index e5976fc009..28b77d6315 100644
--- a/Config.mk
+++ b/Config.mk
@@ -237,9 +237,7 @@ ifneq (,$(CONFIG_QEMU))
 QEMU_TRADITIONAL_LOC ?= $(CONFIG_QEMU)
 endif
 ifneq (,$(QEMU_TAG))
-QEMU_TRADITIONAL_REVISION ?= ab42b4408cb4fc4f869d73218e3d2034e6f5e8ac
-# Tue Mar 31 16:27:45 2015 +0100
-# xen: limit guest control of PCI command register
+QEMU_TRADITIONAL_REVISION ?= $(QEMU_TAG)
 endif
 
 ifeq ($(GIT_HTTP),y)