diff --git a/endpoints/registry.py b/endpoints/registry.py
index cb219eadd..b736dc95e 100644
--- a/endpoints/registry.py
+++ b/endpoints/registry.py
@@ -358,8 +358,8 @@ def process_image_changes(namespace, repository, image_id):
   # Read in the collapsed layer state of the filesystem for the parent
   parent_trie = changes.empty_fs()
   if parent_trie_path:
-    with store.stream_read_file(parent_trie_path) as parent_trie_stream:
-      parent_trie.read(parent_trie_stream)
+    parent_trie_bytes = store.get_content(parent_trie_path)
+    parent_trie.frombytes(parent_trie_bytes)
 
   # Read in the file entries from the layer tar file
   layer_path = store.image_layer_path(namespace, repository, image_id)