diff --git a/app/controllers/concerns/facetable.rb b/app/controllers/concerns/facetable.rb
index 62c42372d..731b29d12 100644
--- a/app/controllers/concerns/facetable.rb
+++ b/app/controllers/concerns/facetable.rb
@@ -148,6 +148,20 @@ def facet_citations_by_year(hash)
         "years" => arr }
     end
 
+    def facet_citations_by_year_v1(hash)
+      arr = hash.dig('years', 'buckets').map do |h|
+        year = h["key_as_string"][0..3].to_i
+        title = h["key_as_string"][0..3]
+
+        {
+          'id' => year,
+          'title' => title,
+          'sum' => h.dig('total_by_year', 'value') }
+      end
+      { "count" => hash.dig("sum_distribution", "value"),
+        "years" => arr }
+    end
+
     def facet_counts_by_year_month(hash)
       arr = hash.dig('year_months', 'buckets').map do |h|
         month = h["key_as_string"][5..6].to_i
diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index 879c54b11..6a5190db2 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -125,7 +125,7 @@ def index
     pairings = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_by_pairings(response.response.aggregations.pairings.buckets) : nil
     dois = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_by_dois(response.response.aggregations.dois.buckets) : nil
     dois_usage = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_by_dois(response.response.aggregations.dois_usage.dois.buckets) : nil
-    dois_citations = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_citations_by_year(response.response.aggregations.dois_citations) : nil
+    dois_citations = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_citations_by_year_v1(response.response.aggregations.dois_citations) : nil
     citations_histogram = total.positive? && aggregations.include?("metrics_aggregations") ? facet_citations_by_year(response.response.aggregations.citations_histogram) : nil
     citations = total.positive? && aggregations.include?("metrics_aggregations") ? facet_citations_by_dois(response.response.aggregations.citations.dois.buckets) : nil
     views_histogram = total.positive? && aggregations.include?("metrics_aggregations") ? facet_counts_by_year_month(response.response.aggregations.views_histogram) : nil