diff --git a/Library/Homebrew/cask/upgrade.rb b/Library/Homebrew/cask/upgrade.rb
index 17c38f43be..cf20a9dd71 100644
--- a/Library/Homebrew/cask/upgrade.rb
+++ b/Library/Homebrew/cask/upgrade.rb
@@ -40,6 +40,7 @@ module Cask
       require_sha: nil
     )
 
+    if
       quarantine = true if quarantine.nil?
 
       outdated_casks = if casks.empty?