Guardfile in shutterbug-0.5.2 vs Guardfile in shutterbug-0.5.3

@@ -1,14 +1,14 @@
 # A sample Guardfile
 # More info at https://github.com/guard/guard#readme
 
-guard :rspec do
+guard :rspec, cmd: "bundle exec rspec" do
   watch(%r{^spec/.+_spec\.rb$})
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/#{m[1]}_spec.rb" }
   watch('spec/spec_helper.rb')  { "spec" }
 end
 
 guard 'rack', :port => 9292 do
   watch('Gemfile.lock')
   watch('config.ru')
   watch(%r{^(js|lib)/.*})
-end
\ No newline at end of file
+end