diff --git a/README.md b/README.md
index 1b3089c..d4efbdf 100644
--- a/README.md
+++ b/README.md
@@ -493,6 +493,10 @@ If you have, sharing would be appreciated!
   code).
 - If you are running the [AdGuard][adguard] or [Pi-hole][pihole] add-on,
   you can add `172.30.32.1` as a DNS IP address the list to use it.
+- If you are running the [Pi-hole][pihole] add-on and facing DNS issues when
+  connected through WireGuard, make sure the option `Listen on all interfaces`
+  is set. This option is located under `Settings` > `DNS` > `Interface listening
+  behavior` of the [Pi-hole][pihole] add-on.
 - If you run a protection service like CloudFlare on your `server.host`
   address, please remember, that WireGuard will try to connect to CloudFlare
   in that case (and not your Home). Please consider using your IP