diff --git a/watchr.rb b/watchr.rb
old mode 100644
new mode 100755
index 7418326..22429f2
--- a/watchr.rb
+++ b/watchr.rb
@@ -1,3 +1,5 @@
+#!/usr/bin/env watchr
+
 def run(cmd)
   full_command = "bundle exec rspec #{cmd}"
   puts(full_command)