diff --git a/hathor/builder/resources_builder.py b/hathor/builder/resources_builder.py
index bfc47e7a7..6d17954e6 100644
--- a/hathor/builder/resources_builder.py
+++ b/hathor/builder/resources_builder.py
@@ -323,6 +323,7 @@ def create_resources(self) -> server.Site:
 
         # Set websocket factory in metrics. It'll be started when the manager is started.
         self.manager.websocket_factory = ws_factory
+        self.manager.metrics.websocket_factory = ws_factory
 
         self._built_status = True
         return status_server