diff --git a/docs/site-example/site.conf b/docs/site-example/site.conf
index 9ea420ef6dd3a8910768fc8126d6c5e5b878bd45..593d175de4d8817ffe0dbed02733f8c24d7f9a38 100644
--- a/docs/site-example/site.conf
+++ b/docs/site-example/site.conf
@@ -100,7 +100,7 @@
 
   mesh_vpn = {
     -- enabled = true,
-    mtu = 1280,
+    mtu = 1312,
 
     fastd = {
       -- Refer to http://fastd.readthedocs.org/en/latest/ to better understand
diff --git a/docs/user/site.rst b/docs/user/site.rst
index 723bd4a7a6bba4f8f00e57198f734c0a048935e2..0bc1744d46f277bef6ed704961a566ad779c4325 100644
--- a/docs/user/site.rst
+++ b/docs/user/site.rst
@@ -223,7 +223,7 @@ mesh_vpn
 
       mesh_vpn = {
         -- enabled = true,
-        mtu = 1280,
+        mtu = 1312,
 
         fastd = {
           methods = {'salsa2012+umac'},