diff --git a/modules/communication.nix b/modules/communication.nix
index 2af6c6d..e4cb5ab 100644
--- a/modules/communication.nix
+++ b/modules/communication.nix
@@ -4,18 +4,21 @@
   # Matrix server configuration
   services.matrix-synapse = {
     enable = true;
-    server_name = "coolneng.duckdns.org";
-    public_baseurl = "https://matrix.coolneng.duckdns.org";
-    listeners = [{
-      port = 8008;
-      tls = false;
-      resources = [{
-        compress = true;
-        names = [ "client" ];
+    settings = {
+      server_name = "coolneng.duckdns.org";
+      public_baseurl = "https://matrix.coolneng.duckdns.org";
+      listeners = [{
+        port = 8008;
+        tls = false;
+        resources = [{
+          compress = true;
+          names = [ "client" ];
+        }];
+        bind_addresses = [ "127.0.0.1" ];
       }];
-    }];
-    app_service_config_files =
-      [ "/var/lib/matrix-synapse/telegram-registration.yaml" ];
+      app_service_config_files =
+        [ "/var/lib/matrix-synapse/telegram-registration.yaml" ];
+    };
   };
 
   # Telegram bridge for Matrix