diff --git a/projects/coreui/angular/src/lib/sidebar/app-sidebar-nav.component.ts b/projects/coreui/angular/src/lib/sidebar/app-sidebar-nav.component.ts
index b3cc2d6f..49a80554 100644
--- a/projects/coreui/angular/src/lib/sidebar/app-sidebar-nav.component.ts
+++ b/projects/coreui/angular/src/lib/sidebar/app-sidebar-nav.component.ts
@@ -77,7 +77,7 @@ export class AppSidebarNavComponent implements OnChanges {
   }
 
   public ngOnChanges(changes: SimpleChanges): void {
-    this.navItemsArray = JSON.parse(JSON.stringify(this.navItems));
+    this.navItemsArray = JSON.parse(JSON.stringify(this.navItems || []));
   }
 
   constructor() { }