diff --git a/site.conf b/site.conf
index 2d329b4..6a32312 100644
--- a/site.conf
+++ b/site.conf
@@ -56,7 +56,7 @@
 
   fastd_mesh_vpn = {
     methods = {'salsa2012+umac'},
-    mtu = 1280,
+    mtu = 1426,
     groups = {
       backbone = {
       limit = 1,