diff --git a/components/alert/nz-alert.component.html b/components/alert/nz-alert.component.html
index 56436b693f6..d2739b18968 100644
--- a/components/alert/nz-alert.component.html
+++ b/components/alert/nz-alert.component.html
@@ -1,4 +1,4 @@
-<div [ngClass]="outerClassMap" *ngIf="display" [@fadeAnimation]>
+<div [ngClass]="outerClassMap" *ngIf="display" [@fadeAnimation] (@fadeAnimation.done)="onFadeAnimationDone()">
   <ng-container *ngIf="nzShowIcon">
     <i class="ant-alert-icon" [ngClass]="nzIconType" *ngIf="nzIconType; else iconTemplate"></i>
     <ng-template #iconTemplate>
diff --git a/components/alert/nz-alert.component.ts b/components/alert/nz-alert.component.ts
index d2117f26853..87441479be2 100644
--- a/components/alert/nz-alert.component.ts
+++ b/components/alert/nz-alert.component.ts
@@ -126,7 +126,12 @@ export class NzAlertComponent implements OnInit {
 
   closeAlert(): void {
     this.display = false;
-    this.nzOnClose.emit(true);
+  }
+
+  onFadeAnimationDone(): void {
+    if (!this.display) {
+      this.nzOnClose.emit(true);
+    }
   }
 
   updateOuterClassMap(): void {