diff --git a/node/caribou.nix b/node/caribou.nix
index e354754..366251a 100644
--- a/node/caribou.nix
+++ b/node/caribou.nix
@@ -47,6 +47,10 @@
     virtualHosts = {
       "binarycache.home.adnab.me" = {
         serverAliases = [ "binarycache" ];
+        listen = [ {
+          addr = "0.0.0.0";
+          port = 7980;
+        } ];
         locations."/".extraConfig = ''
           proxy_pass http://localhost:${toString config.services.nix-serve.port};
           proxy_set_header Host $host;
@@ -57,5 +61,5 @@
     };
   };
 
-  networking.firewall.allowedTCPPorts = [ 80 ];
+  networking.firewall.allowedTCPPorts = [ 7980 ];
 }
diff --git a/site/neptune.nix b/site/neptune.nix
index 27e2588..13e0e21 100644
--- a/site/neptune.nix
+++ b/site/neptune.nix
@@ -14,7 +14,7 @@
 
   nix = {
     binaryCaches = [
-      "http://binarycache.home.adnab.me"
+      "http://binarycache.home.adnab.me:7980"
     ];
     binaryCachePublicKeys = [
       "binarycache.home.adnab.me:ErR6pMnewf9oVyZJd5uC2nI4EZF49c7Mh86eDZWYZaw="