diff --git a/lib/restpack_serializer/serializable/side_load_data_builder.rb b/lib/restpack_serializer/serializable/side_load_data_builder.rb
index 8900218..fe58fda 100644
--- a/lib/restpack_serializer/serializable/side_load_data_builder.rb
+++ b/lib/restpack_serializer/serializable/side_load_data_builder.rb
@@ -47,6 +47,7 @@ def has_association_relation
         return {} if @models.empty?
         serializer_class = @serializer.class
         options = RestPack::Serializer::Options.new(serializer_class)
+        options.page_size=1000
         yield options
         options.include_links = false
         serializer_class.page_with_options(options)