diff --git a/backend/src/Squidex/Areas/IdentityServer/Startup.cs b/backend/src/Squidex/Areas/IdentityServer/Startup.cs
index 75a89085e..39b45fb7a 100644
--- a/backend/src/Squidex/Areas/IdentityServer/Startup.cs
+++ b/backend/src/Squidex/Areas/IdentityServer/Startup.cs
@@ -22,7 +22,7 @@ namespace Squidex.Areas.IdentityServer
 
             app.Map(Constants.IdentityServerPrefix, identityApp =>
             {
-                if (!environment.IsDevelopment())
+                if (environment.IsDevelopment())
                 {
                     identityApp.UseDeveloperExceptionPage();
                 }
diff --git a/frontend/app-config/webpack.config.js b/frontend/app-config/webpack.config.js
index d533977e0..2b8afac44 100644
--- a/frontend/app-config/webpack.config.js
+++ b/frontend/app-config/webpack.config.js
@@ -255,7 +255,7 @@ module.exports = function (env) {
         config.entry = {
             'shims': './app/shims.ts',
             'style': './app/style.js',
-            'app': './app/app.ts'
+              'app': './app/app.ts'
         };
 
         if (isProduction) {
diff --git a/frontend/app/shared/components/assets/pipes.ts b/frontend/app/shared/components/assets/pipes.ts
index 10fe92dd8..8df1ae0e8 100644
--- a/frontend/app/shared/components/assets/pipes.ts
+++ b/frontend/app/shared/components/assets/pipes.ts
@@ -6,6 +6,7 @@
  */
 
 import { Pipe, PipeTransform } from '@angular/core';
+import { Version } from '@app/framework';
 import { ApiUrlConfig, AssetDto, AuthService, MathHelper, StringHelper, Types } from '@app/shared/internal';
 
 @Pipe({
@@ -18,7 +19,7 @@ export class AssetUrlPipe implements PipeTransform {
     ) {
     }
 
-    public transform(asset: AssetDto, version?: number, withQuery = false): string {
+    public transform(asset: AssetDto, version?: number | Version, withQuery = false): string {
         let url = asset.fullUrl(this.apiUrl);
 
         if (withQuery) {
@@ -27,6 +28,8 @@ export class AssetUrlPipe implements PipeTransform {
 
         if (Types.isNumber(version)) {
             url = StringHelper.appendToUrl(url, 'version', version);
+        } else if (Types.is(version, Version)) {
+            url = StringHelper.appendToUrl(url, 'version', version.value);
         }
 
         return url;