diff --git a/src/Umbraco.Core/Services/MediaService.cs b/src/Umbraco.Core/Services/MediaService.cs
index 522e7e732c..418f3db340 100644
--- a/src/Umbraco.Core/Services/MediaService.cs
+++ b/src/Umbraco.Core/Services/MediaService.cs
@@ -899,8 +899,14 @@ namespace Umbraco.Core.Services
                     throw new ArgumentException("Cannot save media with empty name.");
                 }
 
-                var repository = RepositoryFactory.CreateMediaRepository(uow);
-                media.CreatorId = userId;
+                var repository = RepositoryFactory.CreateMediaRepository(uow);
+
+                // set creator for new media
+                if (media.Id == 0)
+                {
+                    media.CreatorId = userId;
+                }
+
                 repository.AddOrUpdate(media);
                 repository.AddOrUpdateContentXml(media, m => _entitySerializer.Serialize(this, _dataTypeService, _userService, m));
                 // generate preview for blame history?