diff --git a/helpers/search_helper.rb b/helpers/search_helper.rb
index 4e2dee3c..ff034681 100644
--- a/helpers/search_helper.rb
+++ b/helpers/search_helper.rb
@@ -357,7 +357,7 @@ def populate_classes_from_search(classes, ontology_acronyms=nil)
           doc[:submission] = old_class.submission
           doc[:properties] = MultiJson.load(doc.delete(:propertyRaw)) if include_param_contains?(:properties)
           instance = LinkedData::Models::Class.read_only(doc)
-          instance.prefLabel =  instance.prefLabel.first if instance.prefLabel.is_a?(Array)
+          filter_language_attributes(params, instance)
           classes_hash[ont_uri_class_uri] = instance
         end