diff --git a/girder_annotation/girder_large_image_annotation/models/annotationelement.py b/girder_annotation/girder_large_image_annotation/models/annotationelement.py
index 46d22c6aa..dcd0d809f 100644
--- a/girder_annotation/girder_large_image_annotation/models/annotationelement.py
+++ b/girder_annotation/girder_large_image_annotation/models/annotationelement.py
@@ -63,16 +63,22 @@ def initialize(self):
                 ('bbox.lowx', SortDir.DESCENDING),
                 ('bbox.highx', SortDir.ASCENDING),
                 ('bbox.size', SortDir.DESCENDING),
-            ], {}),
+            ], {
+                'name': 'annotationBboxIdx'
+            }),
             ([
                 ('annotationId', SortDir.ASCENDING),
                 ('bbox.size', SortDir.DESCENDING),
-            ], {}),
+            ], {
+                'name': 'annotationBboxSizeIdx'
+            }),
             ([
                 ('annotationId', SortDir.ASCENDING),
                 ('_version', SortDir.DESCENDING),
                 ('element.group', SortDir.ASCENDING),
-            ], {}),
+            ], {
+                'name': 'annotationGroupIdx'
+            }),
             ([
                 ('created', SortDir.ASCENDING),
                 ('_version', SortDir.ASCENDING),