diff --git a/src/app/components/listbox/listbox.ts b/src/app/components/listbox/listbox.ts
index d5b4a97e68e..5e96cb38e85 100755
--- a/src/app/components/listbox/listbox.ts
+++ b/src/app/components/listbox/listbox.ts
@@ -709,6 +709,7 @@ export class Listbox implements AfterContentInit, OnInit, ControlValueAccessor,
 
     writeValue(value: any): void {
         this.value = value;
+        this.modelValue.set(this.value);
         this.cd.markForCheck();
     }