From f5b2e0b8f93f6e6ccfd4753caf27b390d6010065 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Thu, 5 Mar 2026 21:38:10 +0100
Subject: [PATCH] Ensure parts use base type

---
 MediaBrowser.Controller/Entities/Video.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/MediaBrowser.Controller/Entities/Video.cs b/MediaBrowser.Controller/Entities/Video.cs
index 67fca232dc..58dd3b8745 100644
--- a/MediaBrowser.Controller/Entities/Video.cs
+++ b/MediaBrowser.Controller/Entities/Video.cs
@@ -537,6 +537,17 @@ namespace MediaBrowser.Controller.Entities
                     return;
                 }
 
+                // Ensure parts use the expected base type (e.g. Video, not Movie)
+                if (video.GetType() != itemType && Activator.CreateInstance(itemType) is Video correctVideo)
+                {
+                    correctVideo.Path = video.Path;
+                    correctVideo.Name = video.Name;
+                    correctVideo.VideoType = video.VideoType;
+                    correctVideo.ProductionYear = video.ProductionYear;
+                    correctVideo.ExtraType = video.ExtraType;
+                    video = correctVideo;
+                }
+
                 video.Id = id;
                 video.OwnerId = Id;
                 LibraryManager.CreateItem(video, parentFolder);