diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.html b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.html
index 94a6dc7075..279df098d6 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.html
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.html
@@ -11,6 +11,6 @@
         </button>
     </li>
     <div *ngIf="userList?.length === 0" id="no-user-found">
-        No user found to involve
+        {{'PEOPLE.SEARCH.NO_USERS' | translate }}
     </div>
 </ul>
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.spec.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.spec.ts
index ab0e57f66e..d9de39445a 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.spec.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.spec.ts
@@ -83,7 +83,7 @@ describe('ActivitiPeopleSearch', () => {
         fixture.whenStable()
             .then(() => {
                 expect(element.querySelector('#no-user-found')).not.toBeNull();
-                expect(element.querySelector('#no-user-found').textContent).toContain('No user found to involve');
+                expect(element.querySelector('#no-user-found').textContent).toContain('PEOPLE.SEARCH.NO_USERS');
             });
     });
 
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.ts
index 0305aef787..faa5dd69a4 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people-search.component.ts
@@ -58,9 +58,11 @@ export class ActivitiPeopleSearch implements OnInit, AfterViewInit {
         this.searchUser
             .valueChanges
             .debounceTime(200)
-            .subscribe((event) => {
-                if (event) {
+            .subscribe((event: string) => {
+                if (event && event.trim()) {
                     this.onSearch.emit(event);
+                } else {
+                    this.userList = [];
                 }
             });
     }
@@ -98,8 +100,4 @@ export class ActivitiPeopleSearch implements OnInit, AfterViewInit {
         let lastName = user.lastName && user.lastName !== 'null' ? user.lastName : 'N/A';
         return firstName + ' - ' + lastName;
     }
-
-    cleanSearch() {
-        this.searchUser.reset();
-    }
 }
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.html b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.html
index 1796ca2643..f8352a46b1 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.html
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.html
@@ -29,7 +29,7 @@
         </activiti-people-search>
     </div>
     <div class="mdl-dialog__actions">
-        <button type="button" id="close-people-dialog" (click)="activitipeoplesearch.cleanSearch();cancel()" class="mdl-button close">
+        <button type="button" id="close-people-dialog" (click)="closeDialog()" class="mdl-button close">
             {{'PEOPLE.DIALOG_CLOSE' | translate }}
         </button>
     </div>
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.spec.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.spec.ts
index ee2e95fb3c..3eb39487a1 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.spec.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.spec.ts
@@ -111,10 +111,24 @@ describe('ActivitiPeople', () => {
         it('should close dialog when clicked on cancel', () => {
             activitiPeopleComponent.showDialog();
             expect(element.querySelector('#addPeople')).not.toBeNull();
-            activitiPeopleComponent.cancel();
+            activitiPeopleComponent.closeDialog();
             let dialogWindow = <HTMLElement> element.querySelector('#add-people-dialog');
             expect(dialogWindow.getAttribute('open')).toBeNull();
         });
+
+        it('should reset search input when the dialog is closed', () => {
+            let userInputSearch: HTMLInputElement;
+            activitiPeopleComponent.showDialog();
+            expect(element.querySelector('#addPeople')).not.toBeNull();
+            userInputSearch = <HTMLInputElement> element.querySelector('#userSearchText');
+            userInputSearch.value = 'fake-search-value';
+            activitiPeopleComponent.closeDialog();
+            activitiPeopleComponent.showDialog();
+            userInputSearch = <HTMLInputElement> element.querySelector('#userSearchText');
+
+            expect(userInputSearch).not.toBeNull();
+            expect(userInputSearch.value).toBeFalsy();
+        });
     });
 
     describe('when there are involved people', () => {
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
index cc4733429e..99bd8cd213 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
@@ -48,6 +48,9 @@ export class ActivitiPeople {
     @ViewChild('dialog')
     dialog: any;
 
+    @ViewChild('activitipeoplesearch')
+    activitipeoplesearch: any;
+
     private peopleSearchObserver: Observer<User[]>;
     peopleSearch$: Observable<User[]>;
 
@@ -74,10 +77,11 @@ export class ActivitiPeople {
         }
     }
 
-    public cancel() {
+    public closeDialog() {
         if (this.dialog) {
             this.dialog.nativeElement.close();
             this.peopleSearchObserver.next([]);
+            this.activitipeoplesearch.searchUser.reset();
         }
     }
 
diff --git a/ng2-components/ng2-activiti-tasklist/src/i18n/en.json b/ng2-components/ng2-activiti-tasklist/src/i18n/en.json
index 0d265fbafc..7268426c3e 100644
--- a/ng2-components/ng2-activiti-tasklist/src/i18n/en.json
+++ b/ng2-components/ng2-activiti-tasklist/src/i18n/en.json
@@ -78,6 +78,9 @@
         }
     },
     "PEOPLE": {
-        "DIALOG_CLOSE": "CLOSE"
+        "DIALOG_CLOSE": "CLOSE",
+        "SEARCH": {
+            "NO_USERS": "No user found to involve"
+        }
     }
 }
diff --git a/ng2-components/ng2-activiti-tasklist/src/i18n/it.json b/ng2-components/ng2-activiti-tasklist/src/i18n/it.json
index 8d2e557e10..2965bcdb39 100644
--- a/ng2-components/ng2-activiti-tasklist/src/i18n/it.json
+++ b/ng2-components/ng2-activiti-tasklist/src/i18n/it.json
@@ -34,6 +34,9 @@
         }
     },
     "PEOPLE": {
-        "DIALOG_CLOSE": "CHIUDI"
+        "DIALOG_CLOSE": "CHIUDI",
+        "SEARCH": {
+            "NO_USERS": "Nessun utente trovato"
+        }
     }
 }