diff --git a/lib/librarian/chef/source/site.rb b/lib/librarian/chef/source/site.rb
index 5d3daa6..8d0302a 100644
--- a/lib/librarian/chef/source/site.rb
+++ b/lib/librarian/chef/source/site.rb
@@ -309,7 +309,8 @@ def unpack_package!(path, source)
             subtemps.size > 1 and raise "The package archive has too many children!"
             subtemp = subtemps.first
             debug { "Moving #{relative_path_to(subtemp)} to #{relative_path_to(path)}" }
-            FileUtils.mv(subtemp, path)
+            FileUtils.cp_r(subtemp, path)
+            FileUtils.rm_rf(subtemp)
           ensure
             temp.rmtree if temp && temp.exist?
           end