diff --git a/demo-shell-ng2/package-lock.json b/demo-shell-ng2/package-lock.json
index b9395e47d4..9b0feb5f39 100644
--- a/demo-shell-ng2/package-lock.json
+++ b/demo-shell-ng2/package-lock.json
@@ -1845,6 +1845,12 @@
       "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
       "dev": true
     },
+    "fork-ts-checker-webpack-plugin": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/fork-ts-checker-webpack-plugin/-/fork-ts-checker-webpack-plugin-0.2.3.tgz",
+      "integrity": "sha1-dEk9mqC3yNWiBvlz5cCe7sfnL44=",
+      "dev": true
+    },
     "form-data": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.2.0.tgz",
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/adf-create-task-attachment.component.spec.ts b/ng2-components/ng2-activiti-tasklist/src/components/adf-create-task-attachment.component.spec.ts
index 5b9bbf1d78..d1c507302c 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/adf-create-task-attachment.component.spec.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/adf-create-task-attachment.component.spec.ts
@@ -41,7 +41,7 @@ describe('Activiti Task Create Attachment', () => {
                 ActivitiCreateTaskAttachmentComponent
             ],
             providers: [
-                { provide: AlfrescoTranslationService },
+                {provide: AlfrescoTranslationService},
                 ActivitiContentService
             ]
         }).compileComponents();
@@ -55,7 +55,7 @@ describe('Activiti Task Create Attachment', () => {
 
         createTaskRelatedContentSpy = spyOn(service, 'createTaskRelatedContent').and.returnValue(Observable.of(
             {
-              status: true
+                status: true
             }));
 
         componentHandler = jasmine.createSpyObj('componentHandler', [
@@ -67,17 +67,16 @@ describe('Activiti Task Create Attachment', () => {
 
     it('should not call createTaskRelatedContent service when taskId changed', () => {
         let change = new SimpleChange(null, '123', true);
-        component.ngOnChanges({ 'taskId': change });
+        component.ngOnChanges({'taskId': change});
         expect(createTaskRelatedContentSpy).not.toHaveBeenCalled();
     });
 
     it('should not call createTaskRelatedContent service when there is no file uploaded', () => {
         let change = new SimpleChange(null, '123', true);
-        component.ngOnChanges({ 'taskId': change });
-        let customEvent = {
+        component.ngOnChanges({'taskId': change});
+        let customEvent: any = {
             detail: {
-                files: [
-                ]
+                files: []
             }
         };
         component.onFileUpload(customEvent);
@@ -86,7 +85,7 @@ describe('Activiti Task Create Attachment', () => {
 
     it('should call createTaskRelatedContent service when there is a file uploaded', () => {
         let change = new SimpleChange(null, '123', true);
-        component.ngOnChanges({ 'taskId': change });
+        component.ngOnChanges({'taskId': change});
         let file = new File([new Blob()], 'Test');
         let customEvent = {
             detail: {
diff --git a/ng2-components/ng2-alfresco-core/src/services/alfresco-content.service.ts b/ng2-components/ng2-alfresco-core/src/services/alfresco-content.service.ts
index 62197e47e4..61090a2a9d 100644
--- a/ng2-components/ng2-alfresco-core/src/services/alfresco-content.service.ts
+++ b/ng2-components/ng2-alfresco-core/src/services/alfresco-content.service.ts
@@ -92,10 +92,10 @@ export class AlfrescoContentService {
      * Create a folder
      * @param name - the folder name
      */
-    createFolder(relativePath: string, name: string, parentId?: string): Observable<MinimalNodeEntity> {
+    createFolder(relativePath: string, name: string, parentId?: string): Observable<FolderCreatedEvent> {
         return Observable.fromPromise(this.apiService.getInstance().nodes.createFolder(name, relativePath, parentId))
             .do(data => {
-                this.folderCreated.next({
+                this.folderCreated.next(<FolderCreatedEvent>{
                     relativePath: relativePath,
                     name: name,
                     parentId: parentId,
diff --git a/ng2-components/package-lock.json b/ng2-components/package-lock.json
index fb6a810c7c..faec128c7b 100644
--- a/ng2-components/package-lock.json
+++ b/ng2-components/package-lock.json
@@ -1816,8 +1816,7 @@
     "es5-ext": {
       "version": "0.10.23",
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.23.tgz",
-      "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg=",
-      "dev": true
+      "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg="
     },
     "es6-iterator": {
       "version": "2.0.1",