diff --git a/hosts/rpi4/services.nix b/hosts/rpi4/services.nix
index d9f7f4c..d5bb05e 100644
--- a/hosts/rpi4/services.nix
+++ b/hosts/rpi4/services.nix
@@ -327,6 +327,7 @@
 
     services.anki-sync-server = {
       enable = true;
+      address = "127.0.0.1";
       users = [
         {
           username = "nullbite";