diff --git a/arkindex/documents/api/elements.py b/arkindex/documents/api/elements.py
index f1eb993b517acb4c5e8195e2ed5a30abe5f65f9f..122b9e04102d9cb0ca780b04d86a5178474ce764 100644
--- a/arkindex/documents/api/elements.py
+++ b/arkindex/documents/api/elements.py
@@ -1019,7 +1019,7 @@ class ElementBulkCreate(CreateAPIView):
             # Use WKB representation to compare existing zones
             # to avoid comparing references or slower coordinates
             polygon.wkb: zone_id
-            for polygon, zone_id in Zone.objects.filter(image_id=image_id).values_list('polygon', 'id')
+            for polygon, zone_id in Zone.objects.using('default').filter(image_id=image_id).values_list('polygon', 'id')
         }
 
         # Retrieve or create required zones
@@ -1046,6 +1046,7 @@ class ElementBulkCreate(CreateAPIView):
             int,
             ElementPath
             .objects
+            .using('default')
             .filter(
                 path__last=self.element.id,
                 element__type_id__in=set(element_data['type'] for element_data in elements)