diff --git a/ifupdown2/addons/vxlan.py b/ifupdown2/addons/vxlan.py
index 588a229..fd23df0 100644
--- a/ifupdown2/addons/vxlan.py
+++ b/ifupdown2/addons/vxlan.py
@@ -206,7 +206,7 @@ class vxlan(Addon, moduleBase):
             self.logger.info("%s: needs a dummy device (%s) to use for "
                              "multicast termination (vxlan-mcastgrp %s)"
                              % (ifaceobj.name, physdev, mcastgrp))
-            self.netlink._link_add_set(ifname=physdev, kind="dummy", ifla={Link.IFLA_MTU: 65536})
+            self.netlink._link_add_set(ifname=physdev, kind="dummy", ifla={Link.IFLA_MTU: 16384})
             self.netlink.link_up(physdev)
 
         return physdev