diff --git a/src/repositories/ApiBasedRepository.ts b/src/repositories/ApiBasedRepository.ts
index f5ef6a2..a3d4c67 100644
--- a/src/repositories/ApiBasedRepository.ts
+++ b/src/repositories/ApiBasedRepository.ts
@@ -92,7 +92,7 @@ export class ApiBasedRepository implements GetterRepository {
     return null;
   }
 
-  public async getStopsBySystemId(systemId: string): Promise<[]> {
+  public async getStopsBySystemId(systemId: string): Promise<IStop[]> {
     return [];
   }