diff --git a/spec/lib/pact/mock_service/request_handlers/interaction_replay_spec.rb b/spec/lib/pact/mock_service/request_handlers/interaction_replay_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/lib/pact/mock_service/request_handlers/interaction_replay_spec.rb
+++ b/spec/lib/pact/mock_service/request_handlers/interaction_replay_spec.rb
@@ -146,6 +146,7 @@ module Pact
           
           context "when the body contains special charachters" do
             let(:actual_body) { '\xEB' }
+            let(:expected_response_body) { '\xEB' }
 
             it "returns the specified response status" do
               expect(response_status).to eq 200
Update interaction_replay_spec.rb