diff --git a/README.md b/README.md
index f445b21..5efd3c4 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Run script as root:
 
 ```sh
 bash users/public/scripts/default_installation.sh
-usermod -aG sudo <user>
+/usr/sbin/usermod -aG sudo <user>
 ```
 
 Run script as user: