diff --git a/taipy/gui/_default_config.py b/taipy/gui/_default_config.py
index 4cc540ea4..eb80a4145 100644
--- a/taipy/gui/_default_config.py
+++ b/taipy/gui/_default_config.py
@@ -46,7 +46,7 @@
     "change_delay": None,
     "chart_dark_template": None,
     "base_url": "/",
-    "client_url": "http://localhost:5000",
+    "client_url": "http://127.0.0.1:5000",
     "dark_mode": True,
     "dark_theme": None,
     "debug": False,
diff --git a/taipy/gui/gui.py b/taipy/gui/gui.py
index 43f755629..1b94d69bf 100644
--- a/taipy/gui/gui.py
+++ b/taipy/gui/gui.py
@@ -2609,6 +2609,8 @@ def __register_blueprint(self):
         # server URL Rule for flask rendered react-router
         pages_bp.add_url_rule(f"/{Gui.__INIT_URL}", view_func=self.__init_route)
 
+        _Hooks()._add_external_blueprint(self, __name__)
+
         # Register Flask Blueprint if available
         for bp in self._flask_blueprint:
             t.cast(Flask, self._server.get_flask()).register_blueprint(bp)