diff --git a/tools/kvm-ifup.in b/tools/kvm-ifup.in
index 4ba17e7f5bd20af1bebf3dff4cac4aa5175af9c1..2ff8ccb5254bab6ffb84c39185a36feba50330b3 100644
--- a/tools/kvm-ifup.in
+++ b/tools/kvm-ifup.in
@@ -36,6 +36,8 @@ fi
 ip link set $INTERFACE up
 
 if [ "$MODE" = "bridged" ]; then
+	ip link set $INTERFACE mtu $(</sys/class/net/${BRIDGE}/mtu)
+
 	# Connect the interface to the bridge
 	brctl addif $BRIDGE $INTERFACE
 else