diff --git a/spec/serializers/build_action_entity_spec.rb b/spec/serializers/build_action_entity_spec.rb
index 54ac17447b13d74ce9ee60fe81c2289bd08ab3f0..059deba54163deb2e6c01d3b949d3dce77a7b808 100644
--- a/spec/serializers/build_action_entity_spec.rb
+++ b/spec/serializers/build_action_entity_spec.rb
@@ -2,9 +2,10 @@ require 'spec_helper'
 
 describe BuildActionEntity do
   let(:build) { create(:ci_build, name: 'test_build') }
+  let(:request) { double('request') }
 
   let(:entity) do
-    described_class.new(build, request: double)
+    described_class.new(build, request: spy('request'))
   end
 
   describe '#as_json' do