diff --git a/agentclaw/app/agent_claw_main/main.py b/agentclaw/app/agent_claw_main/main.py
index c30926b..97ca1d0 100644
--- a/agentclaw/app/agent_claw_main/main.py
+++ b/agentclaw/app/agent_claw_main/main.py
@@ -25,7 +25,10 @@ import boto3
 from urllib.parse import urlparse as _urlparse
 
 WORKSPACE_MCP_URL = 'https://25hugrzw4uwtueeg77jsmft6lq0wunmd.lambda-url.us-east-1.on.aws/mcp'
-OAUTH_START_URL = os.environ.get('OAUTH_START_URL', '')
+OAUTH_START_URL = os.environ.get(
+    'OAUTH_START_URL',
+    'https://sptejrymri.execute-api.us-east-1.amazonaws.com/oauth/start'
+)
 USERS_TABLE_NAME = os.environ.get('USERS_TABLE_NAME', 'agent-claw-users')