diff --git a/components/input/nz-input-group.component.html b/components/input/nz-input-group.component.html
index 70b3a7ad918..50c0fb0b51c 100644
--- a/components/input/nz-input-group.component.html
+++ b/components/input/nz-input-group.component.html
@@ -27,7 +27,9 @@
     <ng-container *nzStringTemplateOutlet="nzSuffix">{{ nzSuffix }}</ng-container>
   </span>
 </ng-template>
-<ng-template [ngIf]="isGroup" *ngTemplateOutlet="contentTemplate"></ng-template>
+<ng-container *ngIf="isGroup">
+  <ng-template *ngTemplateOutlet="contentTemplate"></ng-template>
+</ng-container>
 <ng-template #contentTemplate>
   <ng-content></ng-content>
-</ng-template>
\ No newline at end of file
+</ng-template>