diff --git a/apps/red-ui/src/app/modules/file-preview/services/manual-redaction.service.ts b/apps/red-ui/src/app/modules/file-preview/services/manual-redaction.service.ts
index 85891f87e..2864bdc5f 100644
--- a/apps/red-ui/src/app/modules/file-preview/services/manual-redaction.service.ts
+++ b/apps/red-ui/src/app/modules/file-preview/services/manual-redaction.service.ts
@@ -18,8 +18,8 @@ import type {
 import { dictionaryActionsTranslations, manualRedactionActionsTranslations } from '@translations/annotation-actions-translations';
 import { Roles } from '@users/roles';
 import { NGXLogger } from 'ngx-logger';
-import { of } from 'rxjs';
-import { tap } from 'rxjs/operators';
+import { EMPTY, of, OperatorFunction, pipe } from 'rxjs';
+import { catchError, tap } from 'rxjs/operators';
 
 function getResponseType(error: boolean, isConflict: boolean) {
     const isConflictError = isConflict ? 'conflictError' : 'error';
@@ -150,22 +150,22 @@ export class ManualRedactionService extends GenericService<IManualAddResponse> {
     }
 
     #showToast(action: ManualRedactionActions | DictionaryActions, isDictionary = false) {
-        return tap({
-            next: () => this._toaster.success(getMessage(action, isDictionary), { positionClass: 'toast-file-preview' }),
-            error: (error: unknown) => {
+        return pipe(
+            catchError((error: unknown) => {
                 const isConflict = (error as HttpErrorResponse).status === HttpStatusCode.Conflict;
                 this._toaster.error(getMessage(action, isDictionary, true, isConflict), {
                     error: error as HttpErrorResponse,
                     positionClass: 'toast-file-preview',
                 });
-            },
-        });
+                return EMPTY;
+            }),
+            tap(() => this._toaster.success(getMessage(action, isDictionary), { positionClass: 'toast-file-preview' })),
+        );
     }
 
     #showAddToDictionaryToast(body: List<IAddRedactionRequest>, dictionaryLabel?: string) {
-        return tap({
-            next: () => this._toaster.success(getDictionaryMessage('add'), { positionClass: 'toast-file-preview' }),
-            error: (error: unknown) => {
+        return pipe(
+            catchError((error: unknown) => {
                 const isConflict = (error as HttpErrorResponse).status === HttpStatusCode.Conflict;
                 this._toaster.error(getDictionaryMessage('add', true, isConflict), {
                     error: error as HttpErrorResponse,
@@ -175,7 +175,9 @@ export class ManualRedactionService extends GenericService<IManualAddResponse> {
                     },
                     positionClass: 'toast-file-preview',
                 });
-            },
-        });
+                return EMPTY;
+            }),
+            tap(() => this._toaster.success(getDictionaryMessage('add'), { positionClass: 'toast-file-preview' })),
+        );
     }
 }