diff --git a/_config.yml b/_config.yml
index 6c77f9e..6b367c6 100644
--- a/_config.yml
+++ b/_config.yml
@@ -40,6 +40,7 @@ video_url: /video/
 whitepaper_url: /files/whitepaper/Gate17.pdf
 vpn_comparison_url: /blog/2020/01/22/how-the-spn-compares-to-vpns/
 tor_comparison_url: /blog/2020/01/22/how-the-spn-compares-to-tor/
+pihole_comparison_url: /blog/2021/12/09/portmaster-vs-pi-hole/ 
 
 ### external
 account_server_url: https://account.safing.io/