diff --git a/src/Squidex/Controllers/Api/Assets/AssetController.cs b/src/Squidex/Controllers/Api/Assets/AssetController.cs
index 7d4e4b9b2..e19fe9716 100644
--- a/src/Squidex/Controllers/Api/Assets/AssetController.cs
+++ b/src/Squidex/Controllers/Api/Assets/AssetController.cs
@@ -90,7 +90,7 @@ namespace Squidex.Controllers.Api.Assets
         }
 
         /// <summary>
-        /// Creates and uploads a new asset.
+        /// Upload a new asset.
         /// </summary>
         /// <param name="app">The app where the asset is a part of.</param>
         /// <param name="file">The file to upload.</param>
@@ -101,7 +101,7 @@ namespace Squidex.Controllers.Api.Assets
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/assets/")]
-        [ProducesResponseType(typeof(AssetDto), 201)]
+        [ProducesResponseType(typeof(AssetCreatedDto), 201)]
         [ProducesResponseType(typeof(ErrorDto), 400)]
         public async Task<IActionResult> PostAsset(string app, List<IFormFile> file)
         {
@@ -111,13 +111,13 @@ namespace Squidex.Controllers.Api.Assets
             var context = await CommandBus.PublishAsync(command);
 
             var result = context.Result<EntityCreatedResult<Guid>>();
-            var response = AssetDto.Create(command, result);
+            var response = AssetCreatedDto.Create(command, result);
 
             return StatusCode(201, response);
         }
 
         /// <summary>
-        /// Replaces the content of the asset with a newer version.
+        /// Replace asset content.
         /// </summary>
         /// <param name="app">The app where the asset is a part of.</param>
         /// <param name="id">The id of the asset.</param>
@@ -129,7 +129,7 @@ namespace Squidex.Controllers.Api.Assets
         /// </returns>
         [HttpPut]
         [Route("apps/{app}/assets/{id}/content")]
-        [ProducesResponseType(typeof(AssetDto), 201)]
+        [ProducesResponseType(typeof(AssetReplacedDto), 201)]
         [ProducesResponseType(typeof(ErrorDto), 400)]
         public async Task<IActionResult> PutAssetContent(string app, Guid id, List<IFormFile> file)
         {
@@ -139,7 +139,7 @@ namespace Squidex.Controllers.Api.Assets
             var context = await CommandBus.PublishAsync(command);
 
             var result = context.Result<EntitySavedResult>();
-            var response = AssetUpdatedDto.Create(command, result);
+            var response = AssetReplacedDto.Create(command, result);
 
             return StatusCode(201, response);
         }
@@ -152,6 +152,7 @@ namespace Squidex.Controllers.Api.Assets
         /// <param name="request">The asset object that needs to updated.</param>
         /// <returns>
         /// 204 => Asset updated.
+        /// 400 => Asset name not valid.
         /// 404 => Asset or app not found.
         /// </returns>
         [HttpPut]
diff --git a/src/Squidex/Controllers/Api/Assets/Models/AssetUpdatedDto.cs b/src/Squidex/Controllers/Api/Assets/Models/AssetCreatedDto.cs
similarity index 71%
rename from src/Squidex/Controllers/Api/Assets/Models/AssetUpdatedDto.cs
rename to src/Squidex/Controllers/Api/Assets/Models/AssetCreatedDto.cs
index 1010b7acb..1f847b880 100644
--- a/src/Squidex/Controllers/Api/Assets/Models/AssetUpdatedDto.cs
+++ b/src/Squidex/Controllers/Api/Assets/Models/AssetCreatedDto.cs
@@ -1,21 +1,31 @@
 // ==========================================================================
-//  AssetUpdatedDto.cs
+//  AssetDto.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
+using System;
 using System.ComponentModel.DataAnnotations;
-using NodaTime;
-using Squidex.Infrastructure;
 using Squidex.Infrastructure.CQRS.Commands;
 using Squidex.Write.Assets.Commands;
 
 namespace Squidex.Controllers.Api.Assets.Models
 {
-    public sealed class AssetUpdatedDto
+    public sealed class AssetCreatedDto
     {
+        /// <summary>
+        /// The id of the asset.
+        /// </summary>
+        public Guid Id { get; set; }
+
+        /// <summary>
+        /// The file name.
+        /// </summary>
+        [Required]
+        public string FileName { get; set; }
+
         /// <summary>
         /// The mime type.
         /// </summary>
@@ -42,36 +52,23 @@ namespace Squidex.Controllers.Api.Assets.Models
         /// </summary>
         public int? PixelHeight { get; set; }
 
-        /// <summary>
-        /// The user that has updated the asset.
-        /// </summary>
-        [Required]
-        public RefToken LastModifiedBy { get; set; }
-
-        /// <summary>
-        /// The date and time when the asset has been modified last.
-        /// </summary>
-        public Instant LastModified { get; set; }
-
         /// <summary>
         /// The version of the asset.
         /// </summary>
         public long Version { get; set; }
 
-        public static AssetUpdatedDto Create(UpdateAsset command, EntitySavedResult result)
+        public static AssetCreatedDto Create(CreateAsset command, EntityCreatedResult<Guid> result)
         {
-            var now = SystemClock.Instance.GetCurrentInstant();
-
-            var response = new AssetUpdatedDto
+            var response = new AssetCreatedDto
             {
-                Version = result.Version,
-                LastModified = now,
-                LastModifiedBy = command.Actor,
+                Id = command.AssetId,
+                FileName = command.File.FileName,
                 FileSize = command.File.FileSize,
                 MimeType = command.File.MimeType,
                 IsImage = command.ImageInfo != null,
                 PixelWidth = command.ImageInfo?.PixelWidth,
-                PixelHeight = command.ImageInfo?.PixelHeight
+                PixelHeight = command.ImageInfo?.PixelHeight,
+                Version = result.Version
             };
 
             return response;
diff --git a/src/Squidex/Controllers/Api/Assets/Models/AssetDto.cs b/src/Squidex/Controllers/Api/Assets/Models/AssetDto.cs
index 21d5dbf5e..b60294929 100644
--- a/src/Squidex/Controllers/Api/Assets/Models/AssetDto.cs
+++ b/src/Squidex/Controllers/Api/Assets/Models/AssetDto.cs
@@ -10,8 +10,6 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using NodaTime;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Commands;
-using Squidex.Write.Assets.Commands;
 
 namespace Squidex.Controllers.Api.Assets.Models
 {
@@ -80,28 +78,5 @@ namespace Squidex.Controllers.Api.Assets.Models
         /// The version of the asset.
         /// </summary>
         public long Version { get; set; }
-
-        public static AssetDto Create(CreateAsset command, EntityCreatedResult<Guid> result)
-        {
-            var now = SystemClock.Instance.GetCurrentInstant();
-
-            var response = new AssetDto
-            {
-                Id = result.IdOrValue,
-                Version = result.Version,
-                Created = now,
-                CreatedBy = command.Actor,
-                LastModified = now,
-                LastModifiedBy = command.Actor,
-                FileName = command.File.FileName,
-                FileSize = command.File.FileSize,
-                MimeType = command.File.MimeType,
-                IsImage = command.ImageInfo != null,
-                PixelWidth = command.ImageInfo?.PixelWidth,
-                PixelHeight = command.ImageInfo?.PixelHeight
-            };
-
-            return response;
-        }
     }
 }
diff --git a/src/Squidex/Controllers/Api/Assets/Models/AssetReplacedDto.cs b/src/Squidex/Controllers/Api/Assets/Models/AssetReplacedDto.cs
new file mode 100644
index 000000000..0031c697a
--- /dev/null
+++ b/src/Squidex/Controllers/Api/Assets/Models/AssetReplacedDto.cs
@@ -0,0 +1,63 @@
+// ==========================================================================
+//  AssetUpdatedDto.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.ComponentModel.DataAnnotations;
+using Squidex.Infrastructure.CQRS.Commands;
+using Squidex.Write.Assets.Commands;
+
+namespace Squidex.Controllers.Api.Assets.Models
+{
+    public sealed class AssetReplacedDto
+    {
+        /// <summary>
+        /// The mime type.
+        /// </summary>
+        [Required]
+        public string MimeType { get; set; }
+
+        /// <summary>
+        /// The size of the file in bytes.
+        /// </summary>
+        public long FileSize { get; set; }
+
+        /// <summary>
+        /// Determines of the created file is an image.
+        /// </summary>
+        public bool IsImage { get; set; }
+
+        /// <summary>
+        /// The width of the image in pixels if the asset is an image.
+        /// </summary>
+        public int? PixelWidth { get; set; }
+
+        /// <summary>
+        /// The height of the image in pixels if the asset is an image.
+        /// </summary>
+        public int? PixelHeight { get; set; }
+
+        /// <summary>
+        /// The version of the asset.
+        /// </summary>
+        public long Version { get; set; }
+
+        public static AssetReplacedDto Create(UpdateAsset command, EntitySavedResult result)
+        {
+            var response = new AssetReplacedDto
+            {
+                FileSize = command.File.FileSize,
+                MimeType = command.File.MimeType,
+                IsImage = command.ImageInfo != null,
+                PixelWidth = command.ImageInfo?.PixelWidth,
+                PixelHeight = command.ImageInfo?.PixelHeight,
+                Version = result.Version
+            };
+
+            return response;
+        }
+    }
+}
diff --git a/src/Squidex/Controllers/Api/Schemas/SchemaFieldsController.cs b/src/Squidex/Controllers/Api/Schemas/SchemaFieldsController.cs
index 432420d00..6e9a065f9 100644
--- a/src/Squidex/Controllers/Api/Schemas/SchemaFieldsController.cs
+++ b/src/Squidex/Controllers/Api/Schemas/SchemaFieldsController.cs
@@ -33,7 +33,7 @@ namespace Squidex.Controllers.Api.Schemas
         }
 
         /// <summary>
-        /// Create a new schema field.
+        /// Add a schema field.
         /// </summary>
         /// <param name="app">The name of the app.</param>
         /// <param name="name">The name of the schema.</param>
diff --git a/src/Squidex/app/features/assets/pages/asset.component.ts b/src/Squidex/app/features/assets/pages/asset.component.ts
index 12005ab5b..e67a25f2e 100644
--- a/src/Squidex/app/features/assets/pages/asset.component.ts
+++ b/src/Squidex/app/features/assets/pages/asset.component.ts
@@ -11,9 +11,12 @@ import {
     ApiUrlConfig,
     AppComponentBase,
     AppsStoreService,
+    AssetCreatedDto,
     AssetDto,
-    AssetUpdatedDto,
+    AssetReplacedDto,
     AssetsService,
+    AuthService,
+    DateTime,
     fadeAnimation,
     MathHelper,
     NotificationService,
@@ -77,6 +80,7 @@ export class AssetComponent extends AppComponentBase implements OnInit {
 
     constructor(apps: AppsStoreService, notifications: NotificationService, users: UsersProviderService,
         private readonly assetsService: AssetsService,
+        private readonly authService: AuthService,
         private readonly apiUrl: ApiUrlConfig
     ) {
         super(notifications, users, apps);
@@ -89,9 +93,24 @@ export class AssetComponent extends AppComponentBase implements OnInit {
             this.appName()
                 .switchMap(app => this.assetsService.uploadFile(app, initFile))
                 .subscribe(result => {
-                    if (result instanceof AssetDto) {
+                    if (result instanceof AssetCreatedDto) {
                         setTimeout(() => {
-                            this.asset = result;
+                            const me = `subject:${this.authService.user!.id}`;
+
+                            const asset = new AssetDto(
+                                this.asset.id,
+                                me, me,
+                                DateTime.now(),
+                                DateTime.now(),
+                                result.fileName,
+                                result.fileSize,
+                                result.mimeType,
+                                result.isImage,
+                                result.pixelWidth,
+                                result.pixelHeight,
+                                result.version);
+
+                            this.asset = asset;
                             this.assetVersion = MathHelper.guid();
                             this.progress = 0;
                         }, 2000);
@@ -111,14 +130,14 @@ export class AssetComponent extends AppComponentBase implements OnInit {
             this.appName()
                 .switchMap(app => this.assetsService.replaceFile(app, this.asset.id, files[0]))
                 .subscribe(result => {
-                    if (result instanceof AssetUpdatedDto) {
+                    if (result instanceof AssetReplacedDto) {
                         setTimeout(() => {
+                            const me = `subject:${this.authService.user!.id}`;
+
                             const asset = new AssetDto(
                                 this.asset.id,
-                                this.asset.createdBy,
-                                result.lastModifiedBy,
-                                this.asset.created,
-                                result.lastModified,
+                                this.asset.createdBy, me,
+                                this.asset.created, DateTime.now(),
                                 this.asset.fileName,
                                 result.fileSize,
                                 result.mimeType,
diff --git a/src/Squidex/app/shared/services/assets.service.ts b/src/Squidex/app/shared/services/assets.service.ts
index 6950df0a9..fef1bd388 100644
--- a/src/Squidex/app/shared/services/assets.service.ts
+++ b/src/Squidex/app/shared/services/assets.service.ts
@@ -44,10 +44,22 @@ export class AssetDto {
     }
 }
 
-export class AssetUpdatedDto {
+export class AssetCreatedDto {
+    constructor(
+        public readonly id: string,
+        public readonly fileName: string,
+        public readonly fileSize: number,
+        public readonly mimeType: string,
+        public readonly isImage: boolean,
+        public readonly pixelWidth: number | null,
+        public readonly pixelHeight: number | null,
+        public readonly version: Version
+    ) {
+    }
+}
+
+export class AssetReplacedDto {
     constructor(
-        public readonly lastModifiedBy: string,
-        public readonly lastModified: DateTime,
         public readonly fileSize: number,
         public readonly mimeType: string,
         public readonly isImage: boolean,
@@ -122,8 +134,8 @@ export class AssetsService {
                 .catchError('Failed to load assets. Please reload.');
     }
 
-    public uploadFile(appName: string, file: File): Observable<number | AssetDto> {
-        return new Observable<number | AssetDto>(subscriber => {
+    public uploadFile(appName: string, file: File): Observable<number | AssetCreatedDto> {
+        return new Observable<number | AssetCreatedDto>(subscriber => {
             const url = this.apiUrl.buildUrl(`api/apps/${appName}/assets/`);
 
             const content = new FormData();
@@ -137,12 +149,8 @@ export class AssetsService {
                 .post(url, content, { headers })
                 .map(response => response.json())
                 .map(response => {
-                    return new AssetDto(
+                    return new AssetCreatedDto(
                         response.id,
-                        response.createdBy,
-                        response.lastModifiedBy,
-                        DateTime.parseISO_UTC(response.created),
-                        DateTime.parseISO_UTC(response.lastModified),
                         response.fileName,
                         response.fileSize,
                         response.mimeType,
@@ -162,8 +170,8 @@ export class AssetsService {
         });
     }
 
-    public replaceFile(appName: string, id: string, file: File): Observable<number | AssetUpdatedDto> {
-        return new Observable<number | AssetDto>(subscriber => {
+    public replaceFile(appName: string, id: string, file: File): Observable<number | AssetReplacedDto> {
+        return new Observable<number | AssetReplacedDto>(subscriber => {
             const url = this.apiUrl.buildUrl(`api/apps/${appName}/assets/${id}/content`);
 
             const content = new FormData();
@@ -177,9 +185,7 @@ export class AssetsService {
                 .put(url, content, { headers })
                 .map(response => response.json())
                 .map(response => {
-                    return new AssetUpdatedDto(
-                        response.lastModifiedBy,
-                        DateTime.parseISO_UTC(response.lastModified),
+                    return new AssetReplacedDto(
                         response.fileSize,
                         response.mimeType,
                         response.isImage,