diff --git a/ops/nixos/totoro/home-assistant.nix b/ops/nixos/totoro/home-assistant.nix
index 854a78d146..d4fb98e9ec 100644
--- a/ops/nixos/totoro/home-assistant.nix
+++ b/ops/nixos/totoro/home-assistant.nix
@@ -29,6 +29,13 @@ in {
           "readwrite homeassistant/#"
         ];
       };
+      matrix2mqtt = {
+        password = "matrix2mqtt";
+        acl = [
+          "readwrite matrix2mqtt/#"
+          "readwrite homeassistant/#"
+        ];
+      };
       homeassistant = {
         password = "homeassistant";
         acl = [