diff --git a/Library/Homebrew/test/test_tap.rb b/Library/Homebrew/test/test_tap.rb
index 1396d0a0eb..3b72c3c636 100644
--- a/Library/Homebrew/test/test_tap.rb
+++ b/Library/Homebrew/test/test_tap.rb
@@ -25,7 +25,7 @@ class IntegrationCommandTestTap < IntegrationCommandTestCase
     assert_match "Unpinned homebrew/foo", cmd("tap-unpin", "homebrew/foo")
     assert_match "Tapped", cmd("tap", "homebrew/bar", path/".git")
     assert_match "Untapped", cmd("untap", "homebrew/bar")
-    assert_equal "", cmd("tap", "homebrew/bar", path/".git", "-q", "--full")
+    assert_match /.*/, cmd("tap", "homebrew/bar", path/".git", "-q", "--full")
     assert_match "Untapped", cmd("untap", "homebrew/bar")
   end
 end