diff --git a/app/models/doi.rb b/app/models/doi.rb
index 3ca4bd30a..6571c8be8 100644
--- a/app/models/doi.rb
+++ b/app/models/doi.rb
@@ -516,8 +516,8 @@ def self.totals_aggregations
 
     {
       providers_totals: { terms: { field: 'provider_id', size: 250, min_doc_count: 1 }, aggs: sub_aggregations },
-      clients_totals: { terms: { field: 'client_id', size: 250, min_doc_count: 1 }, aggs: sub_aggregations },
-      prefixes_totals: { terms: { field: 'prefix', size: 250, min_doc_count: 1 }, aggs: sub_aggregations },
+      clients_totals: { terms: { field: 'client_id', size: 2000, min_doc_count: 1 }, aggs: sub_aggregations },
+      prefixes_totals: { terms: { field: 'prefix', size: 3000, min_doc_count: 1 }, aggs: sub_aggregations },
     }
   end