diff --git a/Config.mk b/Config.mk
index cdfdef2c69..7c723e95b1 100644
--- a/Config.mk
+++ b/Config.mk
@@ -288,9 +288,9 @@ SEABIOS_UPSTREAM_REVISION ?= rel-1.9.3
 ETHERBOOT_NICS ?= rtl8139 8086100e
 
 
-QEMU_TRADITIONAL_REVISION ?= 6e20809727261599e8527c456eb078c0e89139a1
-# Thu May 19 19:38:35 2016 +0100
-# main loop: Big hammer to fix logfile disk DoS in Xen setups
+QEMU_TRADITIONAL_REVISION ?= c4e0d84d3c92923fdbc7fa922638d54e5e834753
+# Tue Jul 26 15:31:59 2016 +0100
+# virtio: error out if guest exceeds virtqueue size
 
 # Specify which qemu-dm to use. This may be `ioemu' to use the old
 # Mercurial in-tree version, or a local directory, or a git URL.