diff --git a/app/helpers/qunit_helper.rb b/app/helpers/qunit_helper.rb
index 9dec03aa213..01bfbac59c4 100644
--- a/app/helpers/qunit_helper.rb
+++ b/app/helpers/qunit_helper.rb
@@ -4,7 +4,7 @@ module QunitHelper
 
   def vendor_theme_tests
     return preload_script("vendor-theme-tests") if @legacy_ember
-    preload_script("vendor")
+    preload_vendor_scripts
   end
 
   def support_bundles