diff --git a/src/app/room.service.ts b/src/app/room.service.ts
index 2aac8e60806a6132e9e7df46971e491528c95524..b972646f997092ebd9ae525e82bf03d4050f99e9 100644
--- a/src/app/room.service.ts
+++ b/src/app/room.service.ts
@@ -4,7 +4,7 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Observable } from 'rxjs/Observable';
 
 const httpOptions = {
-  headers: new HttpHeaders({'Content-Type': 'application/json'})
+  headers: new HttpHeaders({ 'Content-Type': 'application/json' })
 };
 
 @Injectable()