diff --git a/src/loaders/ApiBasedShuttleRepositoryLoader.ts b/src/loaders/ApiBasedShuttleRepositoryLoader.ts
index 199ca8d..00cf75a 100644
--- a/src/loaders/ApiBasedShuttleRepositoryLoader.ts
+++ b/src/loaders/ApiBasedShuttleRepositoryLoader.ts
@@ -184,7 +184,7 @@ export class ApiBasedShuttleRepositoryLoader implements ShuttleRepositoryLoader
   }
 
   public async fetchAndUpdateEtaDataForExistingStopsForSystem() {
-    const stops = await this.repository.getStopsBySystemId(this.passioSystemId);
+    const stops = await this.repository.getStopsBySystemId(this.systemIdForConstructedData);
     await Promise.all(stops.map(async (stop) => {
       let stopId = stop.id;
       await this.fetchAndUpdateEtaDataForStopId(stopId);