diff --git a/services/clsi/test/smoke/coffee/SmokeTests.coffee b/services/clsi/test/smoke/coffee/SmokeTests.coffee
index f560b0cf2d..48c50d6681 100644
--- a/services/clsi/test/smoke/coffee/SmokeTests.coffee
+++ b/services/clsi/test/smoke/coffee/SmokeTests.coffee
@@ -1,5 +1,5 @@
 chai = require("chai")
-chai.should()
+chai.should() unless Object.prototype.should?
 expect = chai.expect
 request = require "request"
 Settings = require "settings-sharelatex"