diff --git a/src/repositories/ApiBasedRepository.ts b/src/repositories/ApiBasedRepository.ts
index 6c7af94..2aee8d4 100644
--- a/src/repositories/ApiBasedRepository.ts
+++ b/src/repositories/ApiBasedRepository.ts
@@ -140,7 +140,7 @@ export class ApiBasedRepository implements GetterRepository {
     return Promise.resolve([]);
   }
 
-  public async getShuttlesBySystemId(systemId: string): Promise<[]> {
+  public async getShuttlesBySystemId(systemId: string): Promise<IShuttle[]> {
     return Promise.resolve([]);
   }