diff --git a/src/Cache.py b/src/Cache.py
index 4d7c8def..4c06fd7c 100644
--- a/src/Cache.py
+++ b/src/Cache.py
@@ -31,6 +31,7 @@ class Cache(object):
             if expiration and expiration <= now:
                 expired.append(id)
         for id in expired:
+            item = self._items[id]
             del self._items[id]
             del self._item_to_id[item]