diff --git a/Library/Homebrew/extend/os/mac/requirements/x11_requirement.rb b/Library/Homebrew/extend/os/mac/requirements/x11_requirement.rb
index 7240a89727..91fec032c3 100644
--- a/Library/Homebrew/extend/os/mac/requirements/x11_requirement.rb
+++ b/Library/Homebrew/extend/os/mac/requirements/x11_requirement.rb
@@ -1,8 +1,6 @@
 require "requirement"
 
 class X11Requirement < Requirement
-  download "https://xquartz.macosforge.org"
-
   satisfy build_env: false do
     next false unless MacOS::XQuartz.installed?
     min_version <= MacOS::XQuartz.version
diff --git a/Library/Homebrew/requirements/x11_requirement.rb b/Library/Homebrew/requirements/x11_requirement.rb
index fc390b11cb..6ffcc2db71 100644
--- a/Library/Homebrew/requirements/x11_requirement.rb
+++ b/Library/Homebrew/requirements/x11_requirement.rb
@@ -6,6 +6,8 @@ class X11Requirement < Requirement
   fatal true
 
   cask "xquartz"
+  download "https://xquartz.macosforge.org"
+
   env { ENV.x11 }
 
   def initialize(name = "x11", tags = [])