diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.spec.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.spec.ts
index 0802e0d4fd..e9ddf508ff 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.spec.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.spec.ts
@@ -75,16 +75,19 @@ describe('ActivitiTaskDetails', () => {
     });
 
     it('should load comments when taskId specified', () => {
-        component.taskId = '123';
-        fixture.detectChanges();
+        let change = new SimpleChange(null, '123');
+        component.ngOnChanges({ 'taskId': change });
+
         expect(getCommentsSpy).toHaveBeenCalled();
     });
 
     it('should emit an error when an error occurs loading comments', () => {
         let emitSpy = spyOn(component.error, 'emit');
         getCommentsSpy.and.returnValue(Observable.throw({}));
-        component.taskId = '123';
-        fixture.detectChanges();
+
+        let change = new SimpleChange(null, '123');
+        component.ngOnChanges({ 'taskId': change });
+
         expect(emitSpy).toHaveBeenCalled();
     });
 
@@ -94,8 +97,9 @@ describe('ActivitiTaskDetails', () => {
     });
 
     it('should display comments when the task has comments', async(() => {
-        component.taskId = '123';
-        fixture.detectChanges();
+        let change = new SimpleChange(null, '123');
+        component.ngOnChanges({ 'taskId': change });
+
         fixture.whenStable().then(() => {
             fixture.detectChanges();
             expect(fixture.debugElement.queryAll(By.css('ul.mdl-list li')).length).toBe(3);
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
index 38bb5f7f2a..bf01cf92d9 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import { Component, Input, Output, OnInit, ViewChild, OnChanges, SimpleChanges, EventEmitter } from '@angular/core';
+import { Component, Input, Output, ViewChild, OnChanges, SimpleChanges, EventEmitter } from '@angular/core';
 import { AlfrescoTranslationService } from 'ng2-alfresco-core';
 import { ActivitiTaskListService } from './../services/activiti-tasklist.service';
 import { Comment } from '../models/comment.model';
@@ -30,7 +30,7 @@ let dialogPolyfill: any;
     styleUrls: ['./activiti-comments.component.css'],
     providers: [ActivitiTaskListService]
 })
-export class ActivitiComments implements OnInit, OnChanges {
+export class ActivitiComments implements OnChanges {
 
     @Input()
     taskId: string;
@@ -64,13 +64,9 @@ export class ActivitiComments implements OnInit, OnChanges {
         }
 
         this.comment$ = new Observable<Comment>(observer =>  this.commentObserver = observer).share();
-    }
-
-    ngOnInit() {
         this.comment$.subscribe((comment: Comment) => {
             this.comments.push(comment);
         });
-        this.getTaskComments(this.taskId);
     }
 
     ngOnChanges(changes: SimpleChanges) {