diff --git a/app/controllers/mpa/pept2filtered_controller.rb b/app/controllers/mpa/pept2filtered_controller.rb
index faa62dd..e98e5bf 100644
--- a/app/controllers/mpa/pept2filtered_controller.rb
+++ b/app/controllers/mpa/pept2filtered_controller.rb
@@ -16,11 +16,11 @@ def pept2filtered
     taxa_filter_ids = (params[:taxa] || []).map(&:to_i)
 
     # Request the suffix array search service
-    @response = search(peptides, equate_il, cutoff).uniq.select { |result| !result["cutoff_used"] }
+    @response = search(peptides, equate_il, cutoff).select { |result| !result["cutoff_used"] }.uniq
 
     # TODO: we should remove this or use a different approach
-    # @response.each do |result|
-    #   result["taxa"] = result["taxa"].select { |taxon_id| taxa_filter_ids.include?(taxon_id) }.uniq
-    # end
+    @response.each do |result|
+      result["taxa"] = result["taxa"].select { |taxon_id| taxa_filter_ids.include?(taxon_id) }.uniq
+    end
   end
 end