diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb
index 75540346c1b56e924aeaf35b3b6dd0a3a9807085..febf0eeeff1295b4f889c8cda16c3e43ca792a3d 100644
--- a/activesupport/test/caching_test.rb
+++ b/activesupport/test/caching_test.rb
@@ -855,7 +855,7 @@ def test_compress_values
     value = "value" * 100
     entry = ActiveSupport::Cache::Entry.new(value, :compress => true, :compress_threshold => 1)
     assert_equal value, entry.value
-    assert (value.bytesize > entry.size), "value is compressed"
+    assert(value.bytesize > entry.size, "value is compressed")
   end
 
   def test_non_compress_values