diff --git a/lib/core/src/lib/viewer/components/img-viewer.component.spec.ts b/lib/core/src/lib/viewer/components/img-viewer.component.spec.ts
index 3bc0b8a3cf..2a9157fdfe 100644
--- a/lib/core/src/lib/viewer/components/img-viewer.component.spec.ts
+++ b/lib/core/src/lib/viewer/components/img-viewer.component.spec.ts
@@ -68,7 +68,7 @@ describe('Test Img viewer component ', () => {
 
             beforeEach(() => {
                 const appConfig: AppConfigService = TestBed.inject(AppConfigService);
-                appConfig.config['adf-viewer.image-viewer-scaling'] = 70;
+                appConfig.config['adf-viewer-render.image-viewer-scaling'] = 70;
                 component.initializeScaling();
             });