diff --git a/modules/communication.nix b/modules/communication.nix
index 8cba451..654e7e5 100644
--- a/modules/communication.nix
+++ b/modules/communication.nix
@@ -19,7 +19,14 @@ in {
         inherit database;
       };
       # HACK Inherit postgres connection string for the rest of the DBs
-      app_service_api = { inherit database; };
+      app_service_api = {
+        inherit database;
+        config_files = [
+          "/var/lib/matrix-as-facebook/facebook-registration.yaml"
+          "/var/lib/matrix-as-signal/signal-registration.yaml"
+          "/var/lib/matrix-as-telegram/telegram-registration.yaml"
+        ];
+      };
       media_api = { inherit database; };
       room_server = { inherit database; };
       push_server = { inherit database; };
@@ -40,6 +47,8 @@ in {
   # Matrix bridges
   services.matrix-appservices = {
     homeserver = "dendrite";
+    homeserverDomain = "coolneng.duckdns.org";
+    homeserverURL = "https://matrix.coolneng.duckdns.org";
     addRegistrationFiles = true;
     services = {
       telegram = {