diff --git mojo/public/tools/bindings/generators/mojom_ts_generator.py mojo/public/tools/bindings/generators/mojom_ts_generator.py
index 98516f03276e4..a1bda9c021c52 100644
--- mojo/public/tools/bindings/generators/mojom_ts_generator.py
+++ mojo/public/tools/bindings/generators/mojom_ts_generator.py
@@ -177,6 +177,8 @@ def _GetWebUiModulePath(module):
   path = module.metadata.get('webui_module_path')
   if path is None or path == '/':
     return path
+  if path == '':
+    return '/'
   if _IsAbsoluteChromeResourcesPath(path):
     return path.rstrip('/') + '/'
   return '/{}/'.format(path.strip('/'))