diff --git a/hosts/by-name/servo/services/matrix/default.nix b/hosts/by-name/servo/services/matrix/default.nix
index 13337434..54b2d33d 100644
--- a/hosts/by-name/servo/services/matrix/default.nix
+++ b/hosts/by-name/servo/services/matrix/default.nix
@@ -16,6 +16,8 @@
     { user = "matrix-synapse"; group = "matrix-synapse"; directory = "/var/lib/matrix-synapse"; }
   ];
   services.matrix-synapse.enable = true;
+  # this changes the default log level from INFO to WARN.
+  # maybe there's an easier way?
   services.matrix-synapse.settings.log_config = ./synapse-log_level.yaml;
   services.matrix-synapse.settings.server_name = "uninsane.org";
 
diff --git a/nixpatches/list.nix b/nixpatches/list.nix
index 34ceaeb0..a32bc399 100644
--- a/nixpatches/list.nix
+++ b/nixpatches/list.nix
@@ -20,6 +20,13 @@
     hash = "sha256-IvsIcd2wPdz4b/7FMrDrcVlIZjFecCQ9uiL0Umprbx0=";
   })
 
+  # matrix-synapse,mautrix-facebook: fix runtime inclusion of python3 systemd #212391
+  # merged 2023/01/24
+  (fetchpatch {
+    url = "https://github.com/NixOS/nixpkgs/pull/212391.diff";
+    hash = "sha256-N9lzQLi8NN9cbd+d04yx2v5mI9tVnlSKVbl0+QGE1YQ=";
+  })
+
   ./2022-12-19-i2p-aarch64.patch
 
   # # kaiteki: init at 2022-09-03