diff --git a/src/app/authentication.service.ts b/src/app/authentication.service.ts
index 344a6562d14f931d8c211daded76d407e21a74ae..d3edc7b1b91aacbaeef25aea8bff820401be1e2b 100644
--- a/src/app/authentication.service.ts
+++ b/src/app/authentication.service.ts
@@ -23,7 +23,8 @@ export class AuthenticationService {
     guest : '/guest'
   };
   private httpOptions = {
-    headers: new HttpHeaders({})
+    headers: new HttpHeaders({
+    })
   };
 
   constructor(private dataStoreService: DataStoreService,