diff --git a/infiniteworld.py b/infiniteworld.py
index 7c04912..1c72926 100644
--- a/infiniteworld.py
+++ b/infiniteworld.py
@@ -1516,11 +1516,11 @@ class MCInfdevOldLevel(MCLevel):
 
 
     def getChunks(self, chunks=None):
-        """ pass a list of chunk coordinate tuples to get a list of InfdevChunks. 
-        pass nothing for a list of every chunk in the level. 
+        """ pass a list of chunk coordinate tuples to get an iterator yielding
+        InfdevChunks. pass nothing for an iterator of every chunk in the level. 
         the chunks are automatically loaded."""
         if chunks is None: chunks = self.allChunks;
-        return [self.getChunk(cx, cz) for (cx, cz) in chunks if self.containsChunk(cx, cz)]
+        return (self.getChunk(cx, cz) for (cx, cz) in chunks if self.containsChunk(cx, cz))
 
 
     def _makeChunk(self, cx, cz):