diff --git a/Guardfile b/Guardfile
index 4253568..40f358f 100644
--- a/Guardfile
+++ b/Guardfile
@@ -6,5 +6,6 @@ guard 'cucumber', :notification => true, :all_after_pass => true, :cli => '--pro
   watch(%r{^features/support/.+$})          { 'features' }
   watch(%r{^features/step_definitions/(.+)_steps\.rb$}) { |m| Dir[File.join("**/#{m[1]}.feature")][0] || 'features' }
   watch(%r{^lib/.+\.rb$})                   { "features" }
+  watch(%r{^lib/.+\.tt$})                   { "features" }
   watch(%r{^cucumber.yml$})                 { "features" }
 end