diff --git a/headscale/config.yaml b/headscale/config.yaml
index fb40c29..cc34bde 100644
--- a/headscale/config.yaml
+++ b/headscale/config.yaml
@@ -206,7 +206,9 @@ dns_config:
 
   # List of DNS servers to expose to clients.
   nameservers:
-    - 192.168.1.2 192.168.1.3
+    - 192.168.1.2
+    - 192.168.1.3
+    - 192.168.1.4
 
   # NextDNS (see https://tailscale.com/kb/1218/nextdns/).
   # "abc123" is example NextDNS ID, replace with yours.