diff --git a/modules/webstack.nix b/modules/webstack.nix
index 770391a..76dda20 100644
--- a/modules/webstack.nix
+++ b/modules/webstack.nix
@@ -89,6 +89,7 @@
         useACMEHost = "coolneng.duckdns.org";
         forceSSL = true;
         listen = [
+          # IPv4
           {
             addr = "0.0.0.0";
             port = 8448;
@@ -99,14 +100,20 @@
             port = 443;
             ssl = true;
           }
+          # IPv6
+          {
+            addr = "[::]";
+            port = 8448;
+            ssl = true;
+          }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
         ];
-        locations."~ ^(/_matrix|/_synapse/client)" = {
-          proxyPass = "http://localhost:8008";
-          extraConfig = ''
-            proxy_set_header X-Forwarded-For $remote_addr;
-            proxy_set_header X-Forwarded-Proto $scheme;
-          '';
-        };
+        locations."~ ^(/_matrix|/_synapse/client)".proxyPass =
+          "http://localhost:8008";
       };
       "element.coolneng.duckdns.org" = {
         useACMEHost = "coolneng.duckdns.org";