diff --git a/app/controllers/concepts_controller.rb b/app/controllers/concepts_controller.rb
index 4e22ea63e..254cd1da9 100644
--- a/app/controllers/concepts_controller.rb
+++ b/app/controllers/concepts_controller.rb
@@ -18,6 +18,8 @@ def show_concept
     @submission = get_ontology_submission_ready(@ontology)
     @concept = @ontology.explore.single_class({full: true, lang: helpers.request_lang(@submission)}, params[:id])
 
+    @current_purl = @concept.purl if Rails.configuration.settings.purl[:enabled]
+
     not_found if @concept.nil?
     gather_details
     render :partial => 'show'