diff --git a/services/synapse/nginx.nix b/services/synapse/nginx.nix
index 967476f..dd4aa49 100644
--- a/services/synapse/nginx.nix
+++ b/services/synapse/nginx.nix
@@ -24,8 +24,9 @@ in
       locations = {
         "= /.well-known/matrix/server".extraConfig = mkWellKnown serverConfig;
         "= /.well-known/matrix/client".extraConfig = mkWellKnown clientConfig;
+        "^~ /_synapse/client".proxyPass = "http://[::1]:${toString cfg.port}";
         "^~ /_matrix" = {
-          proxyPass = "http://127.0.0.1:${toString cfg.port}";
+          proxyPass = "http://[::1]:${toString cfg.port}";
           extraConfig = ''
             limit_req zone=matrix burst=100 nodelay;
             proxy_set_header Host $host;