diff --git a/src/tracker/poll.ts b/src/tracker/poll.ts
index e2c5ede..b328a54 100644
--- a/src/tracker/poll.ts
+++ b/src/tracker/poll.ts
@@ -113,7 +113,7 @@ async function evaluateAlerts(positions: Position[], today: string): Promise<voi
   const openPositions = positions.filter(p => p.netqty !== 0);
   for (const pos of openPositions) {
     const _raw = getBandState.get(pos.key) as any;
-    const state: BandState | undefined = _raw ? {
+    let state: BandState | undefined = _raw ? {
       positionKey:   _raw.position_key,
       anchorPnl:     _raw.anchor_pnl,
       lastAlertPnl:  _raw.last_alert_pnl,