diff --git a/services/monitoring/default.nix b/services/monitoring/default.nix
index 464d0ed..178aa69 100644
--- a/services/monitoring/default.nix
+++ b/services/monitoring/default.nix
@@ -8,6 +8,11 @@
   inherit (lib) escapeRegex;
   inherit (config.networking) fqdn hostName;
 
+  # Absolute hack until https://github.com/chaos-jetzt/chaos-jetzt-nixfiles/pull/29 is merged
+  # But needed for us to have a working monitoring on our main matrix server (kinda important)
+  # FIXME: Remove when #29 is merged
+  monIf = if config.networking.hostName == "hamilton" then "enp7s0" else "ens10";
+
   # Basically a manual list of (legacy) hosts not yet migrated to NixOS
   # but on which we'd like to have included in the monitoring.
   externalTargets = let
@@ -124,7 +129,7 @@ in {
     ];
   };
 
-  networking.firewall.interfaces.ens10.allowedTCPPorts = let
+  networking.firewall.interfaces.${monIf}.allowedTCPPorts = let
     inherit (config.services) prometheus;
     ifEnabled = x: lib.optional x.enable x.port;
   in (