diff --git a/app/controllers/concerns/facetable.rb b/app/controllers/concerns/facetable.rb
index bbb7325b3..0c661ebcb 100644
--- a/app/controllers/concerns/facetable.rb
+++ b/app/controllers/concerns/facetable.rb
@@ -33,7 +33,7 @@ def facet_by_cumuative_year(arr)
     def facet_by_key(arr)
       arr.map do |hsh|
         { "id" => hsh["key"],
-          "title" => hsh["key"].humanize,
+          "title" => hsh["key"].titleize,
           "count" => hsh["doc_count"] }
       end
     end