diff --git a/pkgs/servers/web-apps/lemmy/server.nix b/pkgs/servers/web-apps/lemmy/server.nix
index 9c573d048104..c3cb5c6444e1 100644
--- a/pkgs/servers/web-apps/lemmy/server.nix
+++ b/pkgs/servers/web-apps/lemmy/server.nix
@@ -66,7 +66,7 @@ rustPlatform.buildRustPackage rec {
 
   # This gets installed automatically by cargoInstallHook,
   # but we don't actually need it, and it leaks a reference to rustc.
-  postInstall = ''
+  postInstall = lib.optionals (!stdenv.hostPlatform.isDarwin) ''
     rm $out/lib/libhtml2md.so
   '';