diff --git a/packages/primevue/src/datepicker/DatePicker.vue b/packages/primevue/src/datepicker/DatePicker.vue
index e45f3f283..b6e0fc26e 100755
--- a/packages/primevue/src/datepicker/DatePicker.vue
+++ b/packages/primevue/src/datepicker/DatePicker.vue
@@ -746,7 +746,7 @@ export default {
 
                 return start === year || end === year || (start < year && end > year);
             } else {
-                return value.getFullYear() === year;
+                return this.modelValue.getFullYear() === year;
             }
         },
         isDateEquals(value, dateMeta) {