diff --git a/Library/Homebrew/cask/quarantine.rb b/Library/Homebrew/cask/quarantine.rb
index 8d346aa5c3a37..da9b90c9d219d 100644
--- a/Library/Homebrew/cask/quarantine.rb
+++ b/Library/Homebrew/cask/quarantine.rb
@@ -155,8 +155,8 @@ def self.cask!(cask: nil, download_path: nil, action: true)
                                      *swift_target_args,
                                      QUARANTINE_SCRIPT,
                                      download_path,
-                                     cask.url.to_s,
-                                     cask.homepage.to_s,
+                                     cask.url.to_s, # Use the Cask's URL specification as the source URL
+                                     cask.homepage.to_s, # Use the Cask's homepage as the referrer URL
                                    ],
                                    print_stderr: false)