diff --git a/docs/guides/vpn/wireguard/internal.md b/docs/guides/vpn/wireguard/internal.md
index 1c2f91af..d3a8b284 100644
--- a/docs/guides/vpn/wireguard/internal.md
+++ b/docs/guides/vpn/wireguard/internal.md
@@ -14,7 +14,7 @@ in the file `/etc/sysctl.d/99-sysctl.conf`
 Then apply the new option with the command below.
 
 ```bash
-sudo sysctl -p
+sudo sysctl --system
 ```
 
 If you see the options repeated like