diff --git a/data/model/oci/retriever.py b/data/model/oci/retriever.py
index 78a07b6ad..1d3c60d7d 100644
--- a/data/model/oci/retriever.py
+++ b/data/model/oci/retriever.py
@@ -33,5 +33,5 @@ class RepositoryContentRetriever(ContentRetriever):
     if blob is None:
       return None
 
-    placements = list(get_storage_locations(blob.uuid))
-    return self.storage.get_content(placements, get_layer_path(blob))
+    assert blob.locations is not None
+    return self.storage.get_content(blob.locations, get_layer_path(blob))