diff --git a/inventories/default.nix b/inventories/default.nix
index 85d0918..81205f7 100644
--- a/inventories/default.nix
+++ b/inventories/default.nix
@@ -322,7 +322,7 @@
           roles.server.machines."rigel".settings = { };
           roles.server.extraModules = [
             (
-              { ... }:
+              { config, ... }:
               {
 
                 services.matrix-alertmanager = {