diff --git a/lib/geocoder/results/nominatim.rb b/lib/geocoder/results/nominatim.rb
index afd9af6f1008ab8c7ca544fcddadc6b850f6ab5d..06cbb06c89f37a4d32c1d4b438ffb759c3d8003e 100644
--- a/lib/geocoder/results/nominatim.rb
+++ b/lib/geocoder/results/nominatim.rb
@@ -70,14 +70,20 @@ module Geocoder::Result
       [@data['lat'].to_f, @data['lon'].to_f]
     end
 
+    def place_class
+      @data['class']
+    end
+
     def self.response_attributes
       %w[place_id osm_type osm_id boundingbox license
          polygonpoints display_name class type stadium]
     end
 
     response_attributes.each do |a|
-      define_method a do
-        @data[a]
+      unless method_defined?(a)
+        define_method a do
+          @data[a]
+        end
       end
     end
   end