diff --git a/frontera/contrib/backends/hbase/domaincache.py b/frontera/contrib/backends/hbase/domaincache.py
index 6084ef1a5..d9f5681b1 100644
--- a/frontera/contrib/backends/hbase/domaincache.py
+++ b/frontera/contrib/backends/hbase/domaincache.py
@@ -23,7 +23,7 @@ class LRUCache(Cache):
     """Least Recently Used (LRU) cache implementation."""
 
     def __init__(self, maxsize, missing=None, getsizeof=None):
-        Cache.__init__(self, maxsize, missing, getsizeof)
+        Cache.__init__(self, maxsize, missing=missing, getsizeof=getsizeof)
         self.__order = collections.OrderedDict()
 
     def __getitem__(self, key, cache_getitem=Cache.__getitem__):