diff --git a/src-ui/src/app/app.component.ts b/src-ui/src/app/app.component.ts
index 1c2001043..30ecb40d0 100644
--- a/src-ui/src/app/app.component.ts
+++ b/src-ui/src/app/app.component.ts
@@ -9,8 +9,8 @@ import { AppViewService } from './services/app-view.service';
 export class AppComponent {
 
   constructor (appViewService: AppViewService) {
-    appViewService.updateDarkModeSettings()
     (window as any).pdfWorkerSrc = '/assets/js/pdf.worker.min.js';
+    appViewService.updateDarkModeSettings()
   }
 
 
diff --git a/src-ui/src/app/services/app-view.service.ts b/src-ui/src/app/services/app-view.service.ts
index 6af2e43af..67a429ffe 100644
--- a/src-ui/src/app/services/app-view.service.ts
+++ b/src-ui/src/app/services/app-view.service.ts
@@ -18,7 +18,7 @@ export class AppViewService {
     this.updateDarkModeSettings()
   }
 
-  updateDarkModeSettings() {
+  updateDarkModeSettings(): void {
     let darkModeUseSystem = this.settings.get(SETTINGS_KEYS.DARK_MODE_USE_SYSTEM)
     let darkModeEnabled = this.settings.get(SETTINGS_KEYS.DARK_MODE_ENABLED)