diff --git a/backend/src/Squidex/Areas/IdentityServer/Config/IdentityServerServices.cs b/backend/src/Squidex/Areas/IdentityServer/Config/IdentityServerServices.cs
index 9646cf9fd..ebf794da3 100644
--- a/backend/src/Squidex/Areas/IdentityServer/Config/IdentityServerServices.cs
+++ b/backend/src/Squidex/Areas/IdentityServer/Config/IdentityServerServices.cs
@@ -63,10 +63,16 @@ namespace Squidex.Areas.IdentityServer.Config
                     options.UserInteraction.ErrorUrl = "/error/";
                 })
                 .AddAspNetIdentity<IdentityUser>()
+                .AddInMemoryApiScopes(GetApiScopes())
                 .AddInMemoryApiResources(GetApiResources())
                 .AddInMemoryIdentityResources(GetIdentityResources());
         }
 
+        private static IEnumerable<ApiScope> GetApiScopes()
+        {
+            yield return new ApiScope(Constants.ApiScope);
+        }
+
         private static IEnumerable<ApiResource> GetApiResources()
         {
             yield return new ApiResource(Constants.ApiScope)