diff --git a/lib/elasticsearch/dsl/search/options.rb b/lib/elasticsearch/dsl/search/options.rb
index d3ca637..a21f5ef 100644
--- a/lib/elasticsearch/dsl/search/options.rb
+++ b/lib/elasticsearch/dsl/search/options.rb
@@ -35,7 +35,8 @@ class Options
           :indices_boost,
           :track_scores,
           :min_score,
-          :track_total_hits
+          :track_total_hits,
+          :terminate_after
         ]
 
         def initialize(*args, &block)
diff --git a/test/unit/search_options_test.rb b/test/unit/search_options_test.rb
index 3b07b6c..6d17044 100644
--- a/test/unit/search_options_test.rb
+++ b/test/unit/search_options_test.rb
@@ -99,6 +99,11 @@ class SearchOptionsTest < ::Elasticsearch::Test::UnitTestCase
           subject.min_score 0.5
           assert_equal( { min_score: 0.5 }, subject.to_hash )
         end
+
+        should "encode terminate_after" do
+          subject.terminate_after 10
+          assert_equal( { terminate_after: 10 }, subject.to_hash )
+        end
       end
     end
   end