diff --git a/Library/Homebrew/cask/dsl.rb b/Library/Homebrew/cask/dsl.rb
index 434159b57a..823415cc85 100644
--- a/Library/Homebrew/cask/dsl.rb
+++ b/Library/Homebrew/cask/dsl.rb
@@ -106,7 +106,7 @@ module Cask
     ]).freeze
 
     extend Attrable
-    include OnSystem::MacOSOnly
+    include OnSystem::MacOSAndLinux
 
     attr_reader :cask, :token, :deprecation_date, :deprecation_reason, :deprecation_replacement, :disable_date,
                 :disable_reason, :disable_replacement, :on_system_block_min_os