diff --git a/lib/esse/index/indices.rb b/lib/esse/index/indices.rb
index 1e95996..87c5d54 100644
--- a/lib/esse/index/indices.rb
+++ b/lib/esse/index/indices.rb
@@ -76,7 +76,7 @@ def reset_index(suffix: index_suffix, optimize: true, import: true, reindex: fal
         if optimize && number_of_replicas != new_number_of_replicas || refresh_interval != new_refresh_interval
           close(suffix: suffix)
           update_settings(suffix: suffix)
-          open(suffix: suffix)
+          self.open(suffix: suffix)
         end
         update_aliases(suffix: suffix)
         existing.each { |s| delete_index!(**options, suffix: s) }