diff --git a/data/model/storage.py b/data/model/storage.py
index 109b7a888..5acb8ce39 100644
--- a/data/model/storage.py
+++ b/data/model/storage.py
@@ -43,6 +43,7 @@ def add_storage_placement(storage, location_name):
     ImageStoragePlacement.create(location=location.id, storage=storage)
   except IntegrityError:
     # Placement already exists. Nothing to do.
+    pass
 
 
 def garbage_collect_storage(storage_id_whitelist):