diff --git a/nixos-modules/nix/default.nix b/nixos-modules/nix/default.nix
index 9359bae..82fb255 100644
--- a/nixos-modules/nix/default.nix
+++ b/nixos-modules/nix/default.nix
@@ -127,6 +127,18 @@ in
         (_self: super: rec {
           firefox-addons = self.inputs.firefox-addons.packages.${config.nixpkgs.hostPlatform.system};
           localPkgs = self.outputs.packages.${config.nixpkgs.hostPlatform.system};
+          matrix-synapse-unwrapped = super.matrix-synapse-unwrapped.overrideAttrs (oldAttrs: {
+            patches = [
+              (super.fetchpatch2 {
+                url = "https://github.com/element-hq/synapse/commit/3eb92369ca14012a07da2fbf9250e66f66afb710.patch";
+                sha256 = "sha256-VDn3kQy23+QC2WKhWfe0FrUOnLuI1YwH5GxdTTVWt+A=";
+              })
+            ];
+            postPatch = oldAttrs.postPatch ++ ''
+              substituteInPlace tests/storage/databases/main/test_events_worker.py \
+                --replace-fail "def test_recovery" "def no_test_recovery"
+            '';
+          });
         })
       ];
     };