diff --git a/ng2-components/ng2-alfresco-viewer/src/assets/PDFJS.mock.ts b/ng2-components/ng2-alfresco-viewer/src/assets/PDFJS.mock.ts
index 5f27fe95ac..573cbc9571 100644
--- a/ng2-components/ng2-alfresco-viewer/src/assets/PDFJS.mock.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/assets/PDFJS.mock.ts
@@ -18,8 +18,6 @@
 
 export class PDFJSmock {
 
-    currentPageNumber: number = 1;
-
     getFilenameFromUrl(url: string) {
         return 'fake-name';
     }
diff --git a/ng2-components/ng2-alfresco-viewer/src/assets/PDFViewer.mock.ts b/ng2-components/ng2-alfresco-viewer/src/assets/PDFViewer.mock.ts
new file mode 100644
index 0000000000..2e2838d6b2
--- /dev/null
+++ b/ng2-components/ng2-alfresco-viewer/src/assets/PDFViewer.mock.ts
@@ -0,0 +1,26 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+export class PDFViewermock {
+
+    currentPageNumber: number = 1;
+
+    currentPage = {
+        renderingState: 3 as number
+    };
+}
diff --git a/ng2-components/ng2-alfresco-viewer/src/viewer.component.spec.ts b/ng2-components/ng2-alfresco-viewer/src/viewer.component.spec.ts
index 5710f41008..9471a10592 100644
--- a/ng2-components/ng2-alfresco-viewer/src/viewer.component.spec.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/viewer.component.spec.ts
@@ -19,6 +19,7 @@ import { describe, expect, it, injectAsync, TestComponentBuilder, setBaseTestPro
 import { TEST_BROWSER_PLATFORM_PROVIDERS, TEST_BROWSER_APPLICATION_PROVIDERS } from 'angular2/platform/testing/browser';
 import { ViewerComponent } from './viewer.component';
 import { PDFJSmock } from './assets/PDFJS.mock';
+import { PDFViewermock } from './assets/PDFViewer.mock';
 
 describe('Ng2-alfresco-viewer', () => {
     setBaseTestProviders(TEST_BROWSER_PLATFORM_PROVIDERS, TEST_BROWSER_APPLICATION_PROVIDERS);
@@ -181,6 +182,7 @@ describe('Ng2-alfresco-viewer', () => {
                     let element = fixture.nativeElement;
                     let component = fixture.componentInstance;
                     spyOn(component, 'getPDFJS').and.returnValue(new PDFJSmock());
+                    component.pdfViewer = new PDFViewermock();
                     component.urlFile = 'fake-url-file';
 
                     component.ngOnChanges().then(() => {
@@ -200,6 +202,7 @@ describe('Ng2-alfresco-viewer', () => {
                     let element = fixture.nativeElement;
                     let component = fixture.componentInstance;
                     spyOn(component, 'getPDFJS').and.returnValue(new PDFJSmock());
+                    component.pdfViewer = new PDFViewermock();
                     component.urlFile = 'fake-url-file';
 
                     component.ngOnChanges().then(() => {
@@ -222,6 +225,7 @@ describe('Ng2-alfresco-viewer', () => {
                     let element = fixture.nativeElement;
                     let component = fixture.componentInstance;
                     spyOn(component, 'getPDFJS').and.returnValue(new PDFJSmock());
+                    component.pdfViewer = new PDFViewermock();
                     component.urlFile = 'fake-url-file';
 
                     component.ngOnChanges().then(() => {