```ruby
class Divvy < Cask
  url 'http://mizage.com/downloads/Divvy.zip'
  homepage 'http://mizage.com/divvy/'
  version 'latest'
  no_checksum
  link :app, 'Divvy.app'
end
```

Remove :app designation from link
user
```ruby
class Divvy < Cask
  url 'http://mizage.com/downloads/Divvy.zip'
  homepage 'http://mizage.com/divvy/'
  version 'latest'
  no_checksum
  link 'Divvy.app'
end
```
assistant