diff --git a/apps/red-ui/src/app/modules/file-preview/dialogs/add-hint-dialog/add-hint-dialog.component.ts b/apps/red-ui/src/app/modules/file-preview/dialogs/add-hint-dialog/add-hint-dialog.component.ts
index 07234fb4c..57065e3c2 100644
--- a/apps/red-ui/src/app/modules/file-preview/dialogs/add-hint-dialog/add-hint-dialog.component.ts
+++ b/apps/red-ui/src/app/modules/file-preview/dialogs/add-hint-dialog/add-hint-dialog.component.ts
@@ -1,4 +1,4 @@
-import { NgIf } from '@angular/common';
+import { NgForOf, NgIf } from '@angular/common';
 import { Component, OnInit } from '@angular/core';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { FormBuilder, ReactiveFormsModule, UntypedFormGroup } from '@angular/forms';
@@ -48,6 +48,7 @@ import { AddHintData, AddHintResult, RedactOrHintOption, RedactOrHintOptions } f
         TranslateModule,
         CircleButtonComponent,
         MatDialogClose,
+        NgForOf,
     ],
 })
 export class AddHintDialogComponent extends IqserDialogComponent<AddHintDialogComponent, AddHintData, AddHintResult> implements OnInit {