diff --git a/Casks/minecraft-server.rb b/Casks/minecraft-server.rb
index 5ef28cbd8dbe8..819e9382152bd 100644
--- a/Casks/minecraft-server.rb
+++ b/Casks/minecraft-server.rb
@@ -28,7 +28,7 @@
 
     file_name = "#{staged_path}/EULA.txt"
     contents = File.read(file_name).gsub(/false/, 'true')
-    File.open(file_name, 'w') {|file| file.puts contents }
+    File.open(file_name, 'w') { |file| file.puts contents }
   end
 
   caveats do