diff --git a/Casks/mater.rb b/Casks/mater.rb
index 23fa8e015b1..57c61b9282c 100644
--- a/Casks/mater.rb
+++ b/Casks/mater.rb
@@ -1,11 +1,11 @@
-cask 'mater' do
-  version '1.0.4'
-  sha256 'b101a22ede300556f6cddfacefb15926307e711a3f4fdc121627fea02662385b'
+cask "mater" do
+  version "1.0.4"
+  sha256 "b101a22ede300556f6cddfacefb15926307e711a3f4fdc121627fea02662385b"
 
   url "https://github.com/jasonlong/mater/releases/download/v#{version}/Mater-darwin-x64.zip"
-  appcast 'https://github.com/jasonlong/mater/releases.atom'
-  name 'Mater'
-  homepage 'https://github.com/jasonlong/mater'
+  appcast "https://github.com/jasonlong/mater/releases.atom"
+  name "Mater"
+  homepage "https://github.com/jasonlong/mater"
 
-  app 'Mater-darwin-x64/Mater.app'
+  app "Mater-darwin-x64/Mater.app"
 end