diff --git a/Library/Homebrew/extend/os/linux/cleanup.rb b/Library/Homebrew/extend/os/linux/cleanup.rb
index 474a3f08ce..82aab766f9 100644
--- a/Library/Homebrew/extend/os/linux/cleanup.rb
+++ b/Library/Homebrew/extend/os/linux/cleanup.rb
@@ -15,7 +15,7 @@ module Homebrew
       check_ruby_version = HOMEBREW_LIBRARY_PATH/"utils/ruby_check_version_script.rb"
       rubies.uniq.any? do |ruby|
         quiet_system ruby, "--enable-frozen-string-literal", "--disable=gems,did_you_mean,rubyopt",
-                      check_ruby_version, HOMEBREW_REQUIRED_RUBY_VERSION
+                     check_ruby_version, HOMEBREW_REQUIRED_RUBY_VERSION
       end
     end
   end