diff --git a/prelude/cxx/dist_lto/dist_lto.bzl b/prelude/cxx/dist_lto/dist_lto.bzl
index b8bc0a1e2346..35b93957363c 100644
--- a/prelude/cxx/dist_lto/dist_lto.bzl
+++ b/prelude/cxx/dist_lto/dist_lto.bzl
@@ -513,7 +513,7 @@ def cxx_dist_link(
     def dynamic_optimize_archive(archive: ArchiveLinkData.type):
         def optimize_archive(ctx, artifacts, outputs):
             plan_json = artifacts[archive.plan].read_json()
-            if "objects" not in plan_json or not plan_json["objects"]:
+            if "objects" not in plan_json or not plan_json["objects"] or all([not entry["is_bc"] for entry in plan_json["objects"]]):
                 # Nothing in this directory was lto-able; let's just copy the archive.
                 ctx.actions.copy_file(outputs[archive.opt_objects_dir], archive.objects_dir)
                 ctx.actions.write(outputs[archive.opt_manifest], "")