diff --git a/spec/rest/message_spec.rb b/spec/rest/message_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/rest/message_spec.rb
+++ b/spec/rest/message_spec.rb
@@ -9,4 +9,9 @@ describe Twilio::REST::Message do
     @message.should respond_to(:media)
     @message.media.instance_variable_get('@path').should == 'someUri/Media'
   end
+
+  it 'does not use the old endpoint' do
+    client = Twilio::REST::Client.new('someId', 'sometoken')
+    client.account.sms.messages.instance_variable_get('@path').include?('/SMS').should be_false
+  end
 end
Add spec to ensure old endpoint is not used