diff --git a/include/game/World.h b/include/game/World.h
index fc8ab31..a45bcf4 100644
--- a/include/game/World.h
+++ b/include/game/World.h
@@ -29,8 +29,8 @@ struct ChunkCoord {
 namespace std {
 template <>
 struct hash<td::game::ChunkCoord> {
-    std::size_t operator()(const td::game::ChunkCoord& key) const {
-        return std::hash<std::int16_t>()(key.x) ^ std::hash<std::int16_t>()(key.y);
+    std::size_t operator()(const td::game::ChunkCoord& key) const noexcept{
+        return std::hash<std::int16_t>()(key.x << 16 | key.y);
     }
 };
 }