diff --git a/pkgs/by-name/ma/matrix-tuwunel/package.nix b/pkgs/by-name/ma/matrix-tuwunel/package.nix
index 76b72138ce42..5973ee5f0a31 100644
--- a/pkgs/by-name/ma/matrix-tuwunel/package.nix
+++ b/pkgs/by-name/ma/matrix-tuwunel/package.nix
@@ -16,6 +16,7 @@
   enableJemalloc ? true,
   rust-jemalloc-sys,
   enableLiburing ? stdenv.hostPlatform.isLinux,
+  enableLdap ? true,
   liburing,
   nixosTests,
   writeTextFile,
@@ -144,7 +145,8 @@ rustPlatform.buildRustPackage (finalAttrs: {
     "jemalloc"
     "jemalloc_conf"
   ]
-  ++ lib.optional enableLiburing "io_uring";
+  ++ lib.optional enableLiburing "io_uring"
+  ++ lib.optional enableLdap "ldap";
 
   nativeCheckInputs = [
     libredirect.hook