diff --git a/pkgs/servers/matrix-synapse/default.nix b/pkgs/servers/matrix-synapse/default.nix
index a1f78d9a2158..79b5cdc861a5 100644
--- a/pkgs/servers/matrix-synapse/default.nix
+++ b/pkgs/servers/matrix-synapse/default.nix
@@ -149,7 +149,7 @@ python3.pkgs.buildPythonApplication rec {
       mock
       parameterized
     ])
-    ++ lib.flatten (lib.attrValues optional-dependencies);
+    ++ builtins.filter (p: !p.meta.broken) (lib.flatten (lib.attrValues optional-dependencies));
 
   doCheck = !stdenv.hostPlatform.isDarwin;