diff --git a/sample2.py b/sample2.py
index 96b4463..d6dfbf0 100644
--- a/sample2.py
+++ b/sample2.py
@@ -1,4 +1,5 @@
 import json
+import os
 import panel
 from datetime import datetime, timedelta
 
@@ -8,8 +9,8 @@ from watt42_viewlib import attach_w42_state
 
 panel.extension('echarts', 'ace', 'jsoneditor')
 
-SYSTEM_ID = "79476e53-dea6-44fa-976c-eff6260baeb6"
-API_TOKEN = "d0vA6CsrY69N3JAOGtuZMEb9QpbJWPcoxhxRyBXZn8SIisB3weLKjMZwQRo8c2k9BRDtK0qHYnsvUMnqeO7Xog"
+SYSTEM_ID = os.environ.get("WATT42_SYSTEM_ID", "invalid-system-id")
+API_TOKEN = os.environ.get("WATT42_API_TOKEN", "invalid-api-token")
 
 w42_state = panel.rx(None)