diff --git a/tabby-core/src/components/appRoot.component.ts b/tabby-core/src/components/appRoot.component.ts
index 9f47890f..e380fed1 100644
--- a/tabby-core/src/components/appRoot.component.ts
+++ b/tabby-core/src/components/appRoot.component.ts
@@ -215,7 +215,7 @@ export class AppRootComponent {
     }
 
     @HostBinding('class.vibrant') get isVibrant () {
-        return this.config.store.appearance.vibrancy
+        return this.config.store?.appearance.vibrancy
     }
 
     private getToolbarButtons (aboveZero: boolean): ToolbarButton[] {