diff --git a/overviewer_core/world.py b/overviewer_core/world.py
index bd2785fad..d1e8fc52a 100644
--- a/overviewer_core/world.py
+++ b/overviewer_core/world.py
@@ -1740,7 +1740,7 @@ def get_chunk(self, x, z):
             below_zero_retrogen_target_status = (
                 chunk_data.get("below_zero_retrogen", {}).get("target_status")
             )
-            if below_zero_retrogen_target_status in ("heightmaps", "spawn"):
+            if below_zero_retrogen_target_status in ("heightmaps", "spawn", "minecraft:heightmaps", "minecraft:spawn"):
                 include_chunk = True
 
         if not include_chunk: