From 4af66c4e1ad0f8c0105dc3a48c2bfaf29cd11750 Mon Sep 17 00:00:00 2001
From: Erik W <22211983+Lampan-git@users.noreply.github.com>
Date: Tue, 26 May 2026 21:02:43 +0200
Subject: Improve OriginalLanguage normalization and inheritance (#16829)

Improve OriginalLanguage normalization and inheritance
---
 MediaBrowser.Controller/Entities/Video.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'MediaBrowser.Controller/Entities/Video.cs')

diff --git a/MediaBrowser.Controller/Entities/Video.cs b/MediaBrowser.Controller/Entities/Video.cs
index 80bcd62dcd..44cae5197a 100644
--- a/MediaBrowser.Controller/Entities/Video.cs
+++ b/MediaBrowser.Controller/Entities/Video.cs
@@ -278,6 +278,17 @@ namespace MediaBrowser.Controller.Entities
             return linkedVersionCount + localVersionCount + 1;
         }
 
+        /// <inheritdoc />
+        public override string GetInheritedOriginalLanguage()
+        {
+            if (ExtraType.GetValueOrDefault() == Model.Entities.ExtraType.Trailer)
+            {
+                return GetOwner()?.GetInheritedOriginalLanguage();
+            }
+
+            return OriginalLanguage ?? GetOwner()?.GetInheritedOriginalLanguage();
+        }
+
         public override List<string> GetUserDataKeys()
         {
             var list = base.GetUserDataKeys();
-- 
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