diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index 3f1bf6a5bbfb430b2452d2fecf967e2b452f741f..8ec805370b0c4f5db54ac0f28ad899dea16d031e 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -63,7 +63,7 @@ module Generators
         stylesheet_engine: :css,
         scaffold_stylesheet: true,
         system_tests: nil,
-        test_framework: false,
+        test_framework: nil,
         template_engine: :erb
       }
     }