diff --git a/jobs.py b/jobs.py
index 92cec50..dc626d2 100644
--- a/jobs.py
+++ b/jobs.py
@@ -197,6 +197,7 @@ def update_invoices(stub):
             open_invoice.save()
 
     # Bulk invoice sync
+    last_db_inv_index = Invoices.objects.aggregate(Max('index'))['index__max'] or 0
     index_offset = last_db_inv_index
     page_size = 300