diff --git a/Library/Homebrew/test/test_formula.rb b/Library/Homebrew/test/test_formula.rb
index ef3e0952b7..f3339d95e3 100644
--- a/Library/Homebrew/test/test_formula.rb
+++ b/Library/Homebrew/test/test_formula.rb
@@ -61,11 +61,12 @@ class FormulaTests < Test::Unit::TestCase
 
   def test_mirror_support
     HOMEBREW_CACHE.mkpath unless HOMEBREW_CACHE.exist?
-    f = TestBallWithMirror.new
-    tarball, downloader = f.fetch
-
-    assert_equal f.url, "file:///#{TEST_FOLDER}/bad_url/testball-0.1.tbz"
-    assert_equal downloader.url, "file:///#{TEST_FOLDER}/tarballs/testball-0.1.tbz"
+    nostdout do
+      f = TestBallWithMirror.new
+      tarball, downloader = f.fetch
+      assert_equal f.url, "file:///#{TEST_FOLDER}/bad_url/testball-0.1.tbz"
+      assert_equal downloader.url, "file:///#{TEST_FOLDER}/tarballs/testball-0.1.tbz"
+    end
   end
 
   def test_compiler_selection