diff --git a/elasticsearch-model/lib/elasticsearch/model/response/aggregations.rb b/elasticsearch-model/lib/elasticsearch/model/response/aggregations.rb
index 6fc4a8e89..2c00af85d 100644
--- a/elasticsearch-model/lib/elasticsearch/model/response/aggregations.rb
+++ b/elasticsearch-model/lib/elasticsearch/model/response/aggregations.rb
@@ -22,7 +22,7 @@ module Response
       class Aggregations < HashWrapper
         disable_warnings if respond_to?(:disable_warnings)
 
-        def initialize(attributes={})
+        def initialize(attributes={}, options= {})
           __redefine_enumerable_methods super(attributes)
         end
 
diff --git a/elasticsearch-model/spec/elasticsearch/model/response/aggregations_spec.rb b/elasticsearch-model/spec/elasticsearch/model/response/aggregations_spec.rb
index 4bfd89efe..2027d3cca 100644
--- a/elasticsearch-model/spec/elasticsearch/model/response/aggregations_spec.rb
+++ b/elasticsearch-model/spec/elasticsearch/model/response/aggregations_spec.rb
@@ -80,4 +80,11 @@ def self.index_name;    'foo'; end
       expect(aggregations.price.max.value).to eq(99)
     end
   end
+
+  describe '#dup' do
+
+    it 'creates a copy of the aggregation' do
+      expect(aggregations.dup).to eq(aggregations)
+    end
+  end
 end