diff --git a/nixng/containers/matrix/synapse/synapse-package.nix b/nixng/containers/matrix/synapse/synapse-package.nix
index 5e04f1f..c829dc4 100644
--- a/nixng/containers/matrix/synapse/synapse-package.nix
+++ b/nixng/containers/matrix/synapse/synapse-package.nix
@@ -13,6 +13,8 @@ pkgs:
         (pkgs.fetchurl {
           url = "https://patch-diff.githubusercontent.com/raw/matrix-org/synapse/pull/16504.patch";
           hash = "sha256-hjUOmsl06gVPewRdg/DyO9E5bSkIRNBAFJIrWqUsT6Y=";
+        } // {
+          requiredSystemFeatures = [ "local" ];
         })
       ];
     });