diff --git a/services/ans/src/advanced_notification_service.cpp b/services/ans/src/advanced_notification_service.cpp
index 29c3ac1dc24566a7038e0cc619f920d6d3321699..e14e0e43d0be8ec31b4043b912f4810c702a3e7f 100644
--- a/services/ans/src/advanced_notification_service.cpp
+++ b/services/ans/src/advanced_notification_service.cpp
@@ -220,7 +220,7 @@ ErrCode AdvancedNotificationService::PrepareNotificationRequest(const sptr<Notif
     if (bundle.empty()) {
         return ERR_ANS_INVALID_BUNDLE;
     }
-    if (!request) {
+    if (request == nullptr) {
         ANSR_LOGE("NotificationRequest object is nullptr");
         return ERR_ANS_INVALID_PARAM;
     }