diff --git a/spec/javascripts/support/jasmine_selenium_runner.yml b/spec/javascripts/support/jasmine_selenium_runner.yml
index 2618aca1..45d89113 100644
--- a/spec/javascripts/support/jasmine_selenium_runner.yml
+++ b/spec/javascripts/support/jasmine_selenium_runner.yml
@@ -8,7 +8,7 @@ sauce:
   access_key: <%= ENV['SAUCE_ACCESS_KEY'] %>
   build: <%= ENV['TRAVIS_BUILD_NUMBER'] || 'Ran locally' %>
   tags:
-    - <%= ENV['TRAVIS_RUBY_VERSION'] || RUBY_VERSION %>
+    - "<%= ENV['TRAVIS_RUBY_VERSION'] || RUBY_VERSION %>"
     - CI
   tunnel_identifier: <%= ENV['TRAVIS_JOB_NUMBER'] ? %Q("#{ENV['TRAVIS_JOB_NUMBER']}") : nil %>
   os: <%= ENV['SAUCE_OS'] %>