diff --git a/src/app/comment.service.ts b/src/app/comment.service.ts
index 635c2eddaf63750b32145023c4ab56fe3dd1e2a1..44b1b7c9f8c1aa10c09647c1fc5f5201042cf1d9 100644
--- a/src/app/comment.service.ts
+++ b/src/app/comment.service.ts
@@ -3,6 +3,8 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 
 import { Observable } from 'rxjs/Observable';
 
+import { Comment } from './comment';
+
 
 const httpOptions = {
   headers: new HttpHeaders({ 'Content-Type': 'application/json' })
diff --git a/src/app/create-comment/create-comment.component.ts b/src/app/create-comment/create-comment.component.ts
index 337ec0218ee419ece3472b41cba119cea76080d8..14b97eb5c77a0ac7c8245b0126c7a7fea2050f29 100644
--- a/src/app/create-comment/create-comment.component.ts
+++ b/src/app/create-comment/create-comment.component.ts
@@ -3,6 +3,7 @@ import { ActivatedRoute } from '@angular/router';
 import { Location } from '@angular/common';
 
 import { Room } from '../room';
+import { Comment } from '../comment';
 import { RoomService } from '../room.service';
 import { CommentService} from '../comment.service';
 
@@ -34,9 +35,15 @@ export class CreateCommentComponent implements OnInit {
   send(subject: string, body: string): void {
     subject = subject.trim();
     body = body.trim();
-    if (!subject || !body) { return; }
-    this.commentService.addComment( { roomId: this.room.id, subject: subject,
-      body: body, creationTimestamp: Date.now() } as Comment ).subscribe();
+    if (!subject || !body) {
+      return;
+    }
+    this.commentService.addComment({
+      roomId: this.room.id,
+      subject: subject,
+      body: body,
+      creationTimestamp: Date.now()
+    } as Comment).subscribe();
   }
 
   goBack(): void {