diff --git a/byostorage/cached.py b/byostorage/cached.py
index 5584bc7..e15f3c5 100644
--- a/byostorage/cached.py
+++ b/byostorage/cached.py
@@ -18,8 +18,11 @@ class CachedStorage(Storage):
             remote = getattr(settings, 'CACHED_STORAGE_REMOTE', None)
         if not cachedir:
             cachedir = getattr(settings, 'CACHED_STORAGE_DIR', 'cache')
-        
-        self.remote = get_storage_class(remote)()
+
+        if isinstance(remote, Storage):
+            self.remote = remote
+        else:
+            self.remote = get_storage_class(remote)()
         self.cachedir = cachedir
         self.expires = expires