diff --git a/Library/Homebrew/cleanup.rb b/Library/Homebrew/cleanup.rb
index c84ea6c939f49e649db5bf654dc7bf9280f801eb..1528125b1ea6c710b1a221fd258d43e7aa1b9bc7 100644
--- a/Library/Homebrew/cleanup.rb
+++ b/Library/Homebrew/cleanup.rb
@@ -357,8 +357,8 @@ module Homebrew
       else
         check_ruby_version = HOMEBREW_LIBRARY_PATH/"utils/ruby_check_version_script.rb"
         rubies.uniq.any? do |ruby|
-          system ruby, "--enable-frozen-string-literal", "--disable=gems,did_you_mean,rubyopt",
-                 check_ruby_version, HOMEBREW_REQUIRED_RUBY_VERSION
+          quiet_system ruby, "--enable-frozen-string-literal", "--disable=gems,did_you_mean,rubyopt",
+                       check_ruby_version, HOMEBREW_REQUIRED_RUBY_VERSION
         end
       end