diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index c67fd38c20..8388cfc9e3 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -98,6 +98,10 @@ RSpec.configure do |config|
     skip "Needs official command Taps." unless ENV["HOMEBREW_TEST_OFFICIAL_CMD_TAPS"]
   end
 
+  config.before(:each, :needs_linux) do
+    skip "Not on Linux." unless OS.linux?
+  end
+
   config.before(:each, :needs_macos) do
     skip "Not on macOS." unless OS.mac?
   end