diff --git a/backend/db.py b/backend/db.py
index 842a8a6..502d430 100644
--- a/backend/db.py
+++ b/backend/db.py
@@ -10,7 +10,7 @@ from test_config import serialize_station_testpoint_map
 
 
 APP_ROOT = Path(__file__).resolve().parent
-DB_PATH = APP_ROOT / "scheduler.db"
+DB_PATH = Path(os.getenv("DB_PATH", str(APP_ROOT / "scheduler.db")))
 
 # Hardware device names (from environment or defaults)
 DUT = os.getenv("DUT", "CGW453").strip()