diff --git a/overviewer_core/aux_files/genPOI.py b/overviewer_core/aux_files/genPOI.py
index 9e969ca..ca10dd9 100755
--- a/overviewer_core/aux_files/genPOI.py
+++ b/overviewer_core/aux_files/genPOI.py
@@ -116,7 +116,7 @@ def parseBucketChunks((bucket, rset, filters)):
     for b in bucket:
         try:
             data = rset.get_chunk(b[0],b[1])
-            for poi in itertools.chain(data['TileEntities'], data['Entities']):
+            for poi in itertools.chain(data.get('TileEntities', []), data.get('Entities', [])):
                 if poi['id'] == 'Sign' or poi['id'] == 'minecraft:sign':
                     poi = signWrangler(poi)
                 for name, filter_function in filters: