diff --git a/src/Api/AdminConsole/Controllers/OrganizationUsersController.cs b/src/Api/AdminConsole/Controllers/OrganizationUsersController.cs
index ac0a937e6b..dae4e2d51a 100644
--- a/src/Api/AdminConsole/Controllers/OrganizationUsersController.cs
+++ b/src/Api/AdminConsole/Controllers/OrganizationUsersController.cs
@@ -704,7 +704,7 @@ public class OrganizationUsersController : BaseAdminConsoleController
     [HttpPut("{id}/restore/vnext")]
     [Authorize<ManageUsersRequirement>]
     [RequireFeature(FeatureFlagKeys.DefaultUserCollectionRestore)]
-    public async Task RestoreAsync_vNext(Guid orgId, Guid id, OrganizationUserRestoreRequest request)
+    public async Task RestoreAsync_vNext(Guid orgId, Guid id, [FromBody] OrganizationUserRestoreRequest request)
     {
         await RestoreOrRevokeUserAsync(orgId, id, (orgUser, userId) => _restoreOrganizationUserCommand.RestoreUserAsync(orgUser, userId, request.DefaultUserCollectionName));
     }
diff --git a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRequestModels.cs b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRequestModels.cs
index 524f1541c2..06fe654b73 100644
--- a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRequestModels.cs
+++ b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRequestModels.cs
@@ -121,6 +121,9 @@ public class OrganizationUserBulkRequestModel
 {
     [Required, MinLength(1)]
     public IEnumerable<Guid> Ids { get; set; } = new List<Guid>();
+
+    [EncryptedString]
+    [EncryptedStringLength(1000)]
     public string? DefaultUserCollectionName { get; set; }
 }
 #nullable disable
diff --git a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRestoreRequest.cs b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRestoreRequest.cs
index 66310a1ef5..ff5f877b3a 100644
--- a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRestoreRequest.cs
+++ b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationUserRestoreRequest.cs
@@ -1,9 +1,13 @@
-namespace Bit.Api.AdminConsole.Models.Request.Organizations;
+using Bit.Core.Utilities;
+
+namespace Bit.Api.AdminConsole.Models.Request.Organizations;
 
 public class OrganizationUserRestoreRequest
 {
     /// <summary>
     /// This is the encrypted default collection name to be used for restored users if required
     /// </summary>
-    public string DefaultUserCollectionName { get; set; } = string.Empty;
+    [EncryptedString]
+    [EncryptedStringLength(1000)]
+    public string? DefaultUserCollectionName { get; set; }
 }