diff --git a/pydoctor/templatewriter/writer.py b/pydoctor/templatewriter/writer.py
index 0df4939b3..d887a4999 100644
--- a/pydoctor/templatewriter/writer.py
+++ b/pydoctor/templatewriter/writer.py
@@ -115,10 +115,10 @@ def writeSummaryPages(self, system: model.System) -> None:
             x = list(root_module_path.parent.glob('*'))
             print(f'TTTT\n{root_module_path=} {x=}')
             print(f'{root_module_path.exists()=}')
-            # os.link(
-            #     src=root_module_path,  # original
-            #     dst=root_module_path.parent / 'index.html'  # the hardlink
-            # )
+            os.link(
+                src=root_module_path,  # original
+                dst=root_module_path.parent / 'index.html'  # the hardlink
+            )
 
     def _writeDocsFor(self, ob: model.Documentable) -> None:
         if not ob.isVisible: