diff --git a/src/services/NotificationService.ts b/src/services/NotificationService.ts
index ee924a4..60983ca 100644
--- a/src/services/NotificationService.ts
+++ b/src/services/NotificationService.ts
@@ -11,6 +11,8 @@ export interface ScheduledNotificationData {
 }
 
 export class NotificationService {
+  public readonly secondsThresholdForNotificationToFire = 300;
+
   private apnsToken: string | undefined = undefined;
 
   private _lastRefreshedTimeMs: number | undefined = undefined;
@@ -156,8 +158,7 @@ export class NotificationService {
   }
 
   private async sendEtaNotificationImmediatelyIfSecondsRemainingBelowThreshold(deviceId: string, eta: IEta) {
-    const secondsThresholdForNotificationToFire = 300;
-    if (eta.secondsRemaining > secondsThresholdForNotificationToFire) {
+    if (eta.secondsRemaining > this.secondsThresholdForNotificationToFire) {
       return false;
     }