diff --git a/src/music_manager.hpp b/src/music_manager.hpp
index 5ac215878..90924c75e 100644
--- a/src/music_manager.hpp
+++ b/src/music_manager.hpp
@@ -44,9 +44,9 @@ public:
 		return it != map_.end() ? const_cast<Tune*>(&it->second) : nullptr;
 	}
 
-	Tune& insert(const char* id)
+	Tune& insert(const char* id, const Tune* original = nullptr)
 	{
-		auto res = map_.emplace(id, Tune{});
+		auto res = map_.emplace(id, original ? *original : Tune{});
 
 		SRB2_ASSERT(res.second);