diff --git a/lib/guard/minitest/templates/Guardfile b/lib/guard/minitest/templates/Guardfile
index ffd1d7b..d5b0c93 100644
--- a/lib/guard/minitest/templates/Guardfile
+++ b/lib/guard/minitest/templates/Guardfile
@@ -1,11 +1,11 @@
 guard 'minitest' do
   # with Minitest::Unit
-  watch('^test/test_(.*).rb')
-  watch('^lib/(.*)([^/]+)\.rb')                       { |m| "test/#{m[1]}test_#{m[2]}.rb" }
-  watch('^test/test_helper.rb')                       { "test" }
+  watch(%r|^test/test_(.*).rb|)
+  watch(%r|^lib/(.*)([^/]+)\.rb|)                       { |m| "test/#{m[1]}test_#{m[2]}.rb" }
+  watch(%r|^test/test_helper.rb|)                       { "test" }
 
   # with Minitest::Spec
-  # watch('^spec/(.*)_spec.rb')
-  # watch('^lib/(.*)\.rb')                            { |m| "spec/#{m[1]}_spec.rb" }
-  # watch('^spec/spec_helper.rb')                     { "spec" }
+  # watch(%r|^spec/(.*)_spec.rb|)
+  # watch(%r|^lib/(.*)\.rb|)                            { |m| "spec/#{m[1]}_spec.rb" }
+  # watch(%r|^spec/spec_helper.rb|)                     { "spec" }
 end