diff --git a/agentclaw/app/agent_claw_main/main.py b/agentclaw/app/agent_claw_main/main.py
index 3c898b7..fb9db5d 100644
--- a/agentclaw/app/agent_claw_main/main.py
+++ b/agentclaw/app/agent_claw_main/main.py
@@ -25,9 +25,9 @@ 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',
-    'https://sptejrymri.execute-api.us-east-1.amazonaws.com/oauth/start'
+OAUTH_START_URL = (
+    os.environ.get('OAUTH_START_URL')
+    or 'https://sptejrymri.execute-api.us-east-1.amazonaws.com/oauth/start'
 )
 USERS_TABLE_NAME = os.environ.get('USERS_TABLE_NAME', 'agent-claw-users')