diff --git a/benchmark/xpath/evaluator/descendant_or_self_bench.rb b/benchmark/xpath/evaluator/descendant_or_self_bench.rb
index b6f0f65..64eed67 100644
--- a/benchmark/xpath/evaluator/descendant_or_self_bench.rb
+++ b/benchmark/xpath/evaluator/descendant_or_self_bench.rb
@@ -10,4 +10,6 @@ Benchmark.ips do |bench|
   bench.report 'long form' do
     document.xpath('descendant-or-self::meta')
   end
+
+  bench.compare!
 end