diff --git a/src/webui/webui_manager.py b/src/webui/webui_manager.py
index 542d387..0a9d5e1 100644
--- a/src/webui/webui_manager.py
+++ b/src/webui/webui_manager.py
@@ -7,6 +7,7 @@ from datetime import datetime
 from typing import Optional, Dict, List
 import uuid
 import asyncio
+import time
 
 from gradio.components import Component
 from browser_use.browser.browser import Browser
@@ -108,6 +109,9 @@ class WebuiManager:
                     update_components[comp] = comp.__class__(value=comp_val, type="messages")
                 else:
                     update_components[comp] = comp.__class__(value=comp_val)
+                    if comp_id == "agent_settings.planner_llm_provider":
+                        yield update_components  # yield provider, let callback run
+                        time.sleep(0.1)  # wait for Gradio UI callback
 
         config_status = self.id_to_component["load_save_config.config_status"]
         update_components.update(