diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index 9384492486..b3a57e2ced 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -56,7 +56,7 @@ module Rails
     end
 
     def metal_loader
-      @metal_laoder ||= MetalLoader.new
+      @metal_loader ||= MetalLoader.new
     end
 
     def routes_reloader