diff --git a/rakelib/webpacker_examples.rake b/rakelib/webpacker_examples.rake
index 2925bd5e9..206f2d6cb 100644
--- a/rakelib/webpacker_examples.rake
+++ b/rakelib/webpacker_examples.rake
@@ -37,7 +37,9 @@ namespace :webpacker_examples do # rubocop:disable Metrics/BlockLength
       sh_in_dir(example_type.dir, "echo \"gem 'shakapacker', '~> 6.6.0'\" >> #{example_type.gemfile}")
       bundle_install_in(example_type.dir)
       sh_in_dir(example_type.dir, "rake webpacker:install")
-      sh_in_dir(example_type.dir, example_type.generator_shell_commands)
+      shell_commands = []
+      shell_commands << "PACKAGE_JSON_FALLBACK_MANAGER=yarn_classic rails generate react_on_rails:install #{example_type.generator_options} --ignore-warnings --force"
+      shell_commands << "PACKAGE_JSON_FALLBACK_MANAGER=yarn_classic rails generate react_on_rails:dev_tests #{example_type.generator_options}"
       sh_in_dir(example_type.dir, "yarn")
     end
   end