diff --git a/src/Api/Controllers/OrganizationUsersController.cs b/src/Api/Controllers/OrganizationUsersController.cs
index e1a1a3a576..efab3833a2 100644
--- a/src/Api/Controllers/OrganizationUsersController.cs
+++ b/src/Api/Controllers/OrganizationUsersController.cs
@@ -91,7 +91,7 @@ public class OrganizationUsersController : Controller
     public async Task<ListResponseModel<OrganizationUserUserDetailsResponseModel>> Get(Guid orgId, bool includeGroups = false, bool includeCollections = false)
     {
         var authorized = FlexibleCollectionsIsEnabled ?
-            (await _authorizationService.AuthorizeAsync(User, orgId, OrganizationUserOperations.Read(orgId))).Succeeded :
+            (await _authorizationService.AuthorizeAsync(User, null, OrganizationUserOperations.Read(orgId))).Succeeded :
             await _currentContext.ViewAllCollections(orgId) ||
             await _currentContext.ViewAssignedCollections(orgId) ||
             await _currentContext.ManageGroups(orgId) ||