diff --git a/nixng/containers/matrix/synapse/synapse-package.nix b/nixng/containers/matrix/synapse/synapse-package.nix
index 945f32b..5e04f1f 100644
--- a/nixng/containers/matrix/synapse/synapse-package.nix
+++ b/nixng/containers/matrix/synapse/synapse-package.nix
@@ -1,5 +1,5 @@
 pkgs:
-pkgs.matrix-synapse.override {
+(pkgs.matrix-synapse.override {
   extras = [
     "redis"
     "cache-memory"
@@ -7,4 +7,13 @@ pkgs.matrix-synapse.override {
     "url-preview"
     "user-search"
   ];
-}
+  matrix-synapse-unwrapped =
+    pkgs.matrix-synapse-unwrapped.overridePythonAttrs (old: {
+      patches = (old.patches or []) ++ [
+        (pkgs.fetchurl {
+          url = "https://patch-diff.githubusercontent.com/raw/matrix-org/synapse/pull/16504.patch";
+          hash = "sha256-hjUOmsl06gVPewRdg/DyO9E5bSkIRNBAFJIrWqUsT6Y=";
+        })
+      ];
+    });
+})