diff --git a/Library/Homebrew/test/test_dependency_collector.rb b/Library/Homebrew/test/test_dependency_collector.rb
index 032ad0a25c..edf8316114 100644
--- a/Library/Homebrew/test/test_dependency_collector.rb
+++ b/Library/Homebrew/test/test_dependency_collector.rb
@@ -33,7 +33,7 @@ class DependencyCollectorTests < Homebrew::TestCase
   def test_dependency_tags
     assert_predicate Dependency.new('foo', [:build]), :build?
     assert_predicate Dependency.new('foo', [:build, :optional]), :optional?
-    assert_includes Dependency.new('foo', [:universal]).options, "--universal"
+    assert_includes Dependency.new('foo', ["universal"]).options, "--universal"
     assert_empty Dependency.new('foo').tags
   end