diff --git a/spec/segment/analytics/message_batch_spec.rb b/spec/segment/analytics/message_batch_spec.rb
index 0cba732..57ef715 100644
--- a/spec/segment/analytics/message_batch_spec.rb
+++ b/spec/segment/analytics/message_batch_spec.rb
@@ -20,7 +20,7 @@ class Analytics
           subject << message
           expect(subject.length).to eq(0)
 
-          expect { subject << message }.to raise_error("Message Exceeded Maximum Allowed Size")
+          expect { MessageBatch.new }.to raise_error("Message Exceeded Maximum Allowed Size")
         end
       end