diff --git a/lib/generators/godmin/install/install_generator.rb b/lib/generators/godmin/install/install_generator.rb
index 4f8cc0e6..4635c9e7 100644
--- a/lib/generators/godmin/install/install_generator.rb
+++ b/lib/generators/godmin/install/install_generator.rb
@@ -24,6 +24,8 @@ def modify_application_controller
   def modify_application_js
     application_js = File.join("app/assets/javascripts", namespaced_path, "application.js")
 
+    create_file(application_js, "//= require_tree .") unless File.exists?(application_js)
+
     inject_into_file application_js, before: "//= require_tree ." do
       <<-END.strip_heredoc
         //= require moment