diff --git a/README.md b/README.md
index 9f70d83..52d4c67 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Download and execute the script. Answer the questions asked by the script and it
 ```bash
 curl -O https://raw.githubusercontent.com/BlackcatRs/wireguard-install/master/wireguard-install.sh
 chmod +x wireguard-install.sh
-./wireguard-install.sh
+sudo ./wireguard-install.sh
 ```
 
 It will install WireGuard (kernel module and tools) on the server, configure it, create a systemd service and a client configuration file.