diff --git a/wiki/tools/VPN.md b/wiki/tools/VPN.md
index d92dfcfe..7c5c65b1 100644
--- a/wiki/tools/VPN.md
+++ b/wiki/tools/VPN.md
@@ -14,7 +14,7 @@ Get package for your platform: https://www.zerotier.com/download/  Linux, Window
 
 Join our developers network: 
 
-`zerotier-cli join b6079f73c697cbc4`
+`sudo zerotier-cli join b6079f73c697cbc4`
 
 ## Ask for approve
 
@@ -23,4 +23,4 @@ Ask @zhovner to approve your node. After few seconds after approve, you will get
 ```
 IPv4 network: 172.25.0.0/16
 IPv6 network: fdb6:079f:73c6:97cb:c499:93__:____:___
-```
\ No newline at end of file
+```